Canon ImageRunner iR8500 Series User manual

Apr 5 2005
Service Manual
iR8500 Series
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Contents
Contents
Chapter 1 Introduction
1.1 System Construction ..................................................................................................................................1- 1
1.1.1 System Configuration..............................................................................................................................................1- 1
1.1.2 System Configuration..............................................................................................................................................1- 1
1.1.3 System Configuration..............................................................................................................................................1- 2
1.1.4 Printing/Transmitting Accessories System Configuration........................................................................................1- 3
1.1.5 Printing/Transmitting Accessories System Configuration........................................................................................1- 4
1.1.6 Printing/Transmitting Accessories System Configuration........................................................................................1- 5
1.2 Product Specifications................................................................................................................................1- 7
1.2.1 Features ..................................................................................................................................................................1- 7
1.2.1.1 High Speed, High Quality......................................................................................................................................................... 1- 7
1.2.1.2 High Speed, High Quality......................................................................................................................................................... 1- 7
1.2.1.3 High Speed, High Quality......................................................................................................................................................... 1- 7
1.2.1.4 High Durability, High Reliability................................................................................................................................................1- 7
1.2.1.5 High-Performance Controller, Large-Capacity Hard Disk........................................................................................................1- 7
1.2.1.6 Ease of Operation....................................................................................................................................................................1- 7
1.2.1.7 Ease of Operation....................................................................................................................................................................1- 7
1.2.1.8 Large-Capacity Paper Source.................................................................................................................................................. 1- 7
1.2.1.9 Large-Capacity Paper Source.................................................................................................................................................. 1- 8
1.2.1.10 Various Delivery Processing (with options)............................................................................................................................1- 8
1.2.1.11 Various Delivery Processing (with options)............................................................................................................................1- 8
1.2.1.12 High-Level Printer Functions to Support Networking Requirements(iR105).......................................................................... 1- 9
1.2.1.13 Support for MEAP (Multifunctional Embedded Application Platform) .................................................................................... 1- 9
1.2.2 Names of Parts........................................................................................................................................................1- 9
1.2.2.1 External View...........................................................................................................................................................................1- 9
1.2.2.2 External View.........................................................................................................................................................................1- 11
1.2.2.3 External View.........................................................................................................................................................................1- 11
1.2.2.4 Cross Section......................................................................................................................................................................... 1- 13
1.2.2.5 Cross Section......................................................................................................................................................................... 1- 14
1.2.2.6 Cross Section......................................................................................................................................................................... 1- 15
1.2.2.7 External Covers .....................................................................................................................................................................1- 17
1.2.2.8 External Covers .....................................................................................................................................................................1- 19
1.2.2.9 External Covers .....................................................................................................................................................................1- 21
1.2.3 Using the Machine.................................................................................................................................................1- 23
1.2.3.1 Power Switch .........................................................................................................................................................................1- 23
1.2.3.2 Power Switch .........................................................................................................................................................................1- 24
1.2.3.3 Power Switch .........................................................................................................................................................................1- 25
1.2.3.4 Points to Note When Turning Off the Main Power Switch .....................................................................................................1- 26
1.2.3.5 Points to Note When Turning Off the Main Power Switch .....................................................................................................1- 27
1.2.3.6 Points to Note When Turning Off the Main Power Switch .....................................................................................................1- 28
1.2.3.7 Control Panel ......................................................................................................................................................................... 1- 29
1.2.3.8 Control Panel ......................................................................................................................................................................... 1- 30
1.2.3.9 Control Panel ......................................................................................................................................................................... 1- 30
1.2.3.10 Extension Mode Items.......................................................................................................................................................... 1- 31
1.2.4 User Mode Items...................................................................................................................................................1- 32
1.2.4.1 Common Settings .................................................................................................................................................................. 1- 32
1.2.4.2 Common Settings .................................................................................................................................................................. 1- 33
1.2.4.3 Common Settings .................................................................................................................................................................. 1- 34
1.2.4.4 Timer Settings........................................................................................................................................................................1- 35
1.2.4.5 Adjustment/Cleaning.............................................................................................................................................................. 1- 35
1.2.4.6 Adjustment/Cleaning.............................................................................................................................................................. 1- 36
1.2.4.7 Report Settings ...................................................................................................................................................................... 1- 36
1.2.4.8 Report Settings ...................................................................................................................................................................... 1- 37
1.2.4.9 Copy Settings......................................................................................................................................................................... 1- 37
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1.2.4.10 System Settings................................................................................................................................................................... 1- 37
1.2.4.11 System Settings................................................................................................................................................................... 1- 38
1.2.4.12 Network Settings (in "System Settings")..............................................................................................................................1- 39
1.2.4.13 Copy Settings.......................................................................................................................................................................1- 42
1.2.4.14 Copy Settings.......................................................................................................................................................................1- 43
1.2.4.15 Communications Settings ....................................................................................................................................................1- 43
1.2.4.16 Mail Box Settings ................................................................................................................................................................. 1- 44
1.2.4.17 Address Book Settings......................................................................................................................................................... 1- 44
1.2.5 Safety.....................................................................................................................................................................1- 44
1.2.5.1 Safety of Laser Light..............................................................................................................................................................1- 44
1.2.5.2 CDRH Ordinances ................................................................................................................................................................. 1- 45
1.2.5.3 CDRH Ordinances ................................................................................................................................................................. 1- 45
1.2.5.4 CDRH Ordinances ................................................................................................................................................................. 1- 46
1.2.5.5 Handling the Laser System....................................................................................................................................................1- 46
1.2.5.6 Handling the Laser System....................................................................................................................................................1- 47
1.2.5.7 Handling the Laser System....................................................................................................................................................1- 48
1.2.5.8 Safety of Toner ......................................................................................................................................................................1- 49
1.2.6 Product Specifications ...........................................................................................................................................1- 49
1.2.6.1 Sepecifications....................................................................................................................................................................... 1- 49
1.2.6.2 Sepecifications....................................................................................................................................................................... 1- 51
1.2.6.3 Sepecifications....................................................................................................................................................................... 1- 52
1.2.7 Function List...........................................................................................................................................................1- 54
1.2.7.1 Print speed............................................................................................................................................................................. 1- 54
1.2.7.2 Print speed............................................................................................................................................................................. 1- 55
1.2.7.3 Print speed............................................................................................................................................................................. 1- 55
1.2.7.4 Print speed............................................................................................................................................................................. 1- 57
1.2.7.5 Paper Type ............................................................................................................................................................................ 1- 58
Chapter 2 Installation
2.1 Making Pre-Checks....................................................................................................................................2- 1
2.1.1 Selecting the site......................................................................................................................................................2- 1
2.1.2 Selecting the site......................................................................................................................................................2- 2
2.1.3 Selecting the site......................................................................................................................................................2- 4
2.1.4 Selecting the site......................................................................................................................................................2- 6
2.1.5 Points to Note Before Starting the Work..................................................................................................................2- 8
2.1.6 Points to Note Before Starting the Work..................................................................................................................2- 8
2.1.7 Points to Note Before Starting the Installation Work................................................................................................2- 9
2.1.8 Points to Note Before Starting the Installation Work................................................................................................2- 9
2.1.9 Checking the Components.......................................................................................................................................2- 9
2.1.10 Checking the Components...................................................................................................................................2- 10
2.1.11 Checking the Components...................................................................................................................................2- 11
2.1.12 Checking the Components...................................................................................................................................2- 12
2.2 Unpacking and Installation .......................................................................................................................2- 13
2.2.1 Unpacking..............................................................................................................................................................2- 13
2.2.2 Unpacking..............................................................................................................................................................2- 15
2.2.3 Mounting the Scanner System...............................................................................................................................2- 17
2.2.4 Unpacking..............................................................................................................................................................2- 17
2.2.5 Unpacking..............................................................................................................................................................2- 20
2.2.6 Installing the Fixing Assembly................................................................................................................................2- 22
2.2.7 Mounting the Fixing Assembly...............................................................................................................................2- 22
2.2.8 Mounting the Scanner System...............................................................................................................................2- 23
2.2.9 Mounting the Scanner System...............................................................................................................................2- 23
2.2.10 Mounting the Charging Assembly........................................................................................................................2- 24
2.2.11 Mounting the Fixing Assembly.............................................................................................................................2- 25
2.2.12 Mounting the Fixing Assembly.............................................................................................................................2- 26
2.2.13 Checking the Developing Assembly.....................................................................................................................2- 27
2.2.14 Mounting the Charging Assembly........................................................................................................................2- 27
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2.2.15 Mounting the Charging Assembly........................................................................................................................2- 29
2.2.16 Mounting the Pickup Assembly............................................................................................................................2- 31
2.2.17 Checking the Developing Assembly....................................................................................................................2- 32
2.2.18 Checking the Developing Assembly....................................................................................................................2- 32
2.2.19 Mounting the Control Panel .................................................................................................................................2- 33
2.2.20 Mounting the Pickup Assembly............................................................................................................................2- 35
2.2.21 Mounting the Pickup Assembly............................................................................................................................2- 36
2.2.22 Supplying the Toner.............................................................................................................................................2- 37
2.2.23 Supplying the Toner.............................................................................................................................................2- 37
2.2.24 Supplying the Toner.............................................................................................................................................2- 38
2.2.25 Supplying the Toner.............................................................................................................................................2- 39
2.2.26 Mounting the ADF................................................................................................................................................2- 39
2.2.27 Connectors ..........................................................................................................................................................2- 39
2.2.28 Installing the ADF ................................................................................................................................................2- 40
2.2.29 Cassette...............................................................................................................................................................2- 40
2.2.30 Cassette...............................................................................................................................................................2- 40
2.2.31 Cassette...............................................................................................................................................................2- 41
2.2.32 Index Paper Attachment......................................................................................................................................2- 41
2.2.33 Index Paper Attachment......................................................................................................................................2- 41
2.2.34 Index Paper Attachment......................................................................................................................................2- 41
2.2.35 Other attachment.................................................................................................................................................2- 42
2.2.36 Other attachment.................................................................................................................................................2- 42
2.2.37 Other attachment.................................................................................................................................................2- 42
2.2.38 Other attachment.................................................................................................................................................2- 42
2.2.39 Attaching the Labels, Setting Paper, Checking Images/Operations, and User Mode .........................................2- 43
2.2.40 Attaching the Labels, Setting Paper, Checking Images/Operations, and User Mode .........................................2- 44
2.2.41 Attaching the Labels, Setting Paper, Checking Images/Operations, and User Mode .........................................2- 45
2.2.42 Attaching the Labels, Setting Paper, Checking Images/Operations, and User Mode .........................................2- 46
2.2.43 Changing the Paper Size for the Front Deck (right, left)......................................................................................2- 48
2.2.44 Changing the Paper Size for the Front Deck (right, left)......................................................................................2- 48
2.2.45 Changing the Paper Size for the Front Deck (right, left)......................................................................................2- 49
2.2.46 If Not Connected to a Network.............................................................................................................................2- 49
2.2.47 If Not Connected to a Network.............................................................................................................................2- 49
2.2.48 If Not Connected to a Network.............................................................................................................................2- 50
2.3 Checking the Connection to the Network .................................................................................................2- 51
2.3.1 Overview................................................................................................................................................................2- 51
2.3.2 Overview................................................................................................................................................................2- 51
2.3.3 Overview................................................................................................................................................................2- 51
2.3.4 Using the PING Function.......................................................................................................................................2- 51
2.3.5 Using the PING Function.......................................................................................................................................2- 51
2.3.6 Using the PING Function.......................................................................................................................................2- 52
2.3.7 Using the PING Function.......................................................................................................................................2- 52
2.3.8 Making a Check Using a Remote Host Address ...................................................................................................2- 53
2.3.9 Making a Check Using a Remote Host Address ...................................................................................................2- 53
2.3.10 Making a Check Using a Remote Host Address..................................................................................................2- 53
2.4 Troubleshooting the Network....................................................................................................................2- 54
2.4.1 Overview................................................................................................................................................................2- 54
2.4.2 Overview................................................................................................................................................................2- 54
2.4.3 Overview................................................................................................................................................................2- 54
2.4.4 Making a Check Using a Loopback Address.........................................................................................................2- 54
2.4.5 Making a Check Using a Loopback Address.........................................................................................................2- 54
2.4.6 Making a Check Using a Loopback Address.........................................................................................................2- 54
2.4.7 Making a Check Using a Local Host Address .......................................................................................................2- 54
2.4.8 Making a Check Using a Local Host Address .......................................................................................................2- 55
2.4.9 Making a Check Using a Local Host Address .......................................................................................................2- 55
2.5 Installing the Card Reader........................................................................................................................2- 56
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2.5.1 Checking the Contents...........................................................................................................................................2- 56
2.5.2 Checking the Contents...........................................................................................................................................2- 56
2.5.3 Checking the Contents...........................................................................................................................................2- 57
2.5.4 Installing the Card Reader-D1 ...............................................................................................................................2- 57
2.5.5 Installing the Card Reader-D1 ...............................................................................................................................2- 61
2.5.6 Installing the Card Reader-D1 ...............................................................................................................................2- 64
2.5.7 Installing the Card Reader-D1 ...............................................................................................................................2- 67
2.6 Installing the NE Controller.......................................................................................................................2- 72
2.6.1 Installing the NE Controller-A1/NE Controller-B1/Copy Data Controller-A1..........................................................2- 72
2.6.2 Installing the NE Controller-A1/NE Controller-B1/Copy Data Controller-A1..........................................................2- 74
2.6.3 Installing the NE Controller-A1/NE Controller-B1/Copy Data Controller-A1..........................................................2- 76
Chapter 3 Basic Operation
3.1 Construction ...............................................................................................................................................3- 1
3.1.1 Functional Construction...........................................................................................................................................3- 1
3.1.2 Connection Diagram of the Major PCBs(iR105)......................................................................................................3- 1
3.1.3 Functional Construction...........................................................................................................................................3- 2
3.1.4 Wiring Diagram of the Major PCBs..........................................................................................................................3- 3
3.1.5 Wiring Diagram of the Major PCBs..........................................................................................................................3- 4
3.1.6 Wiring Diagram of the Major PCBs..........................................................................................................................3- 5
3.1.7 Inputs to the DC Controller PCB (1/6)......................................................................................................................3- 6
3.1.8 Inputs to the DC Controller PCB (2/6)......................................................................................................................3- 7
3.1.9 Inputs to the DC Controller PCB (3/6)......................................................................................................................3- 8
3.1.10 Inputs to the DC Controller PCB (4/6)....................................................................................................................3- 9
3.1.11 Inputs to the DC Controller PCB (5/6)..................................................................................................................3- 10
3.1.12 Inputs to the DC Controller PCB (6/6)..................................................................................................................3- 11
3.1.13 Outputs from the DC Controller PCB (1/7)...........................................................................................................3- 12
3.1.14 Outputs from the DC Controller PCB (2/7)...........................................................................................................3- 13
3.1.15 Outputs from the DC Controller PCB (3/7)...........................................................................................................3- 14
3.1.16 Outputs from the DC Controller PCB (4/7)...........................................................................................................3- 15
3.1.17 Outputs from the DC Controller PCB (5/7)...........................................................................................................3- 16
3.1.18 Outputs from the DC Controller PCB (6/7)...........................................................................................................3- 17
3.1.19 Outputs from the DC Controller PCB (7/7)...........................................................................................................3- 18
3.1.20 Controlling the Main Motor (M1)...........................................................................................................................3- 19
3.2 Basic Sequence .......................................................................................................................................3- 21
3.2.1 Basic Sequence of Operations (power-on)............................................................................................................3- 21
3.2.2 Basic Sequence of Operations (power-on)............................................................................................................3- 21
Chapter 4 Main Controller
4.1 Construction ...............................................................................................................................................4- 1
4.1.1 Functional Construction(iR105) ...............................................................................................................................4- 1
4.1.2 Construction/Function..............................................................................................................................................4- 1
4.1.3 Construction/Function..............................................................................................................................................4- 2
4.2 Construction of the Electrical Circuitry........................................................................................................4- 4
4.2.1 Outline(iR105)..........................................................................................................................................................4- 4
4.2.2 Main Controller PCB................................................................................................................................................4- 4
4.2.3 Main Controller PCB(iR105) ....................................................................................................................................4- 5
4.2.4 Hard Disk Drive(iR105)............................................................................................................................................4- 5
4.3 Start-Up Sequence.....................................................................................................................................4- 6
4.3.1 Outline(iR105)..........................................................................................................................................................4- 6
4.3.2 Overview..................................................................................................................................................................4- 6
4.3.3 Start-Up Sequence(iR105).......................................................................................................................................4- 7
4.3.4 Start-Up Sequence ..................................................................................................................................................4- 8
4.3.5 Start-Up Sequence ..................................................................................................................................................4- 9
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4.3.6 Construction of the System Software(iR105) ........................................................................................................4- 11
4.3.7 E602 in Detaill .......................................................................................................................................................4- 11
4.4 Shut-Down Sequence...............................................................................................................................4- 17
4.4.1 Overview................................................................................................................................................................4- 17
4.4.2 Flow of Operation..................................................................................................................................................4- 17
4.5 Image Processing.....................................................................................................................................4- 18
4.5.1 Outline(iR105) .......................................................................................................................................................4- 18
4.5.2 Overview of the Image Flow..................................................................................................................................4- 18
4.5.3 Input Image Processing(iR105).............................................................................................................................4- 19
4.5.4 Construction of the Image Processing Module......................................................................................................4- 19
4.5.5 Construction of the Image Processing Module......................................................................................................4- 20
4.5.6 Controlling the Image Memory(iR105)...................................................................................................................4- 21
4.5.7 Reader Unit Input Image Processing.....................................................................................................................4- 21
4.5.8 Output Image Processing(iR105)..........................................................................................................................4- 21
4.5.9 Compression/Extension/Editing Block...................................................................................................................4- 22
4.5.10 Compression/Extension/Editing Block.................................................................................................................4- 22
4.5.11 Printer unit Output Image Processing..................................................................................................................4- 22
4.6 Flow of Image Data ..................................................................................................................................4- 24
4.6.1 Flow of Image Data for the Copy Function............................................................................................................4- 24
4.6.2 Flow of Image Data for the Box Function..............................................................................................................4- 24
4.6.3 Flow of Image Data for the SEND Function ..........................................................................................................4- 25
4.6.4 Flow of Image Data for the PDL Function .............................................................................................................4- 25
4.7 Parts Replacement Procedure .................................................................................................................4- 26
4.7.1 Main Controller Box...............................................................................................................................................4- 26
4.7.1.1 Removing the Rear Cover ..................................................................................................................................................... 4- 26
4.7.1.2 Removing the Rear Cover ..................................................................................................................................................... 4- 26
4.7.1.3 Removing the Rear Cover ..................................................................................................................................................... 4- 26
4.7.1.4 Removing the System Connector Cover................................................................................................................................ 4- 26
4.7.1.5 Removing the Main Controller Box........................................................................................................................................4- 26
4.7.2 Main Controller PCB..............................................................................................................................................4- 27
4.7.2.1 Removing the Rear Cover ..................................................................................................................................................... 4- 27
4.7.2.2 Removing the Rear Cover ..................................................................................................................................................... 4- 27
4.7.2.3 Removing the Rear Cover ..................................................................................................................................................... 4- 27
4.7.2.4 Removing the Main Controller Box Cover..............................................................................................................................4- 28
4.7.2.5 Removing the Differential PCB/Differential PCB Relay Board...............................................................................................4- 28
4.7.2.6 Removing the Pixel/Line Conversion PCB.............................................................................................................................4- 28
4.7.2.7 Removing the Main Controller PCB....................................................................................................................................... 4- 28
4.7.2.8 When Replacing the Main Controller PCB.............................................................................................................................4- 29
4.7.3 Boot ROM..............................................................................................................................................................4- 29
4.7.3.1 Removing the Rear Cover ..................................................................................................................................................... 4- 29
4.7.3.2 Removing the Rear Cover ..................................................................................................................................................... 4- 29
4.7.3.3 Removing the Rear Cover ..................................................................................................................................................... 4- 30
4.7.3.4 Removing the Main Controller Box Cover..............................................................................................................................4- 30
4.7.3.5 Removing the Boot ROM.......................................................................................................................................................4- 30
4.7.4 Differential PCB.....................................................................................................................................................4- 30
4.7.4.1 Removing the Rear Cover ..................................................................................................................................................... 4- 30
4.7.4.2 Removing the Rear Cover ..................................................................................................................................................... 4- 31
4.7.4.3 Removing the Main Controller Box Cover..............................................................................................................................4- 31
4.7.4.4 Removing the Differential PCB/Differential PCB Relay Board...............................................................................................4- 31
4.7.5 HDD.......................................................................................................................................................................4- 31
4.7.5.1 Points to Note on Handling the Hard Disk .............................................................................................................................4- 31
4.7.5.2 Removing the Rear Cover ..................................................................................................................................................... 4- 32
4.7.5.3 Removing the Rear Cover ..................................................................................................................................................... 4- 32
4.7.5.4 Removing the Rear Cover ..................................................................................................................................................... 4- 32
4.7.5.5 Removing the Main Controller Box Cover..............................................................................................................................4- 32
4.7.5.6 Removing the Differential PCB/Differential PCB Relay Board...............................................................................................4- 32
4.7.5.7 Removing the Hard Disk........................................................................................................................................................ 4- 33
4.7.5.8 Points to Note on Attaching the Hard Disk.............................................................................................................................4- 33
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4.7.5.9 When Replacing the HDD......................................................................................................................................................4- 33
4.7.6 Controller Fan........................................................................................................................................................4- 33
4.7.6.1 Removing the Rear Cover ..................................................................................................................................................... 4- 33
4.7.6.2 Removing the Rear Cover ..................................................................................................................................................... 4- 34
4.7.6.3 Removing the Rear Cover ..................................................................................................................................................... 4- 34
4.7.6.4 Removing the System Connector Cover................................................................................................................................4- 34
4.7.6.5 Removing the Main Controller Box Cover..............................................................................................................................4- 34
4.7.6.6 Removing the Controller Fan................................................................................................................................................. 4- 34
Chapter 5 Original Exposure System
5.1 Construction ...............................................................................................................................................5- 1
5.1.1 Outline of the Original Exposure System(iR105).....................................................................................................5- 1
5.1.2 Outline......................................................................................................................................................................5- 1
5.1.3 Major Components...................................................................................................................................................5- 2
5.1.4 Arrangement of PCBs..............................................................................................................................................5- 3
5.1.5 Outline......................................................................................................................................................................5- 3
5.1.6 Major Components...................................................................................................................................................5- 4
5.1.7 Arrangement of PCBs..............................................................................................................................................5- 5
5.2 Basic Sequence .........................................................................................................................................5- 7
5.2.1 Basic Sequence of Operations................................................................................................................................5- 7
5.2.2 Book Mode, 1 Original, Copyboard Closed..............................................................................................................5- 7
5.2.3 Book Mode, 1 Original, Copyboard Cover Open .....................................................................................................5- 8
5.3 Various Control.........................................................................................................................................5- 10
5.3.1 Controlling the Scanner Drive System...................................................................................................................5- 10
5.3.1.1 Outline.................................................................................................................................................................................... 5- 10
5.3.1.2 Controlling the Scanner Motor ............................................................................................................................................... 5- 10
5.3.1.3 Preventing Overheating of the Scanner Motor.......................................................................................................................5- 12
5.3.1.4 Outline.................................................................................................................................................................................... 5- 13
5.3.1.5 Controlling the Scanner Motor ............................................................................................................................................... 5- 13
5.3.2 Enlargement/Reduction .........................................................................................................................................5- 14
5.3.2.1 Changing the Reproduction Ratio in Main Scanning Direction.............................................................................................. 5- 14
5.3.2.2 Enlargement/Reduction(iR105).............................................................................................................................................. 5- 14
5.3.2.3 Changing the Reproduction Ratio in Sub Scanning Direction ...............................................................................................5- 15
5.3.2.4 Changing the Reproduction Ratio in Main Scanning Direction.............................................................................................. 5- 15
5.3.2.5 Changing the Reproduction Ratio in Sub Scanning Direction ...............................................................................................5- 15
5.3.3 Controlling the Scanning Lamp..............................................................................................................................5- 15
5.3.3.1 Outline.................................................................................................................................................................................... 5- 15
5.3.3.2 Stabilizing the Scanning Lamp(iR105)...................................................................................................................................5- 16
5.3.3.3 Controlling the Temperature by a Fluorescent Lamp Heater................................................................................................. 5- 16
5.3.3.4 Controlling Pre-Heat Voltage ................................................................................................................................................. 5- 17
5.3.3.5 Initial Activation......................................................................................................................................................................5- 17
5.3.3.6 Detecting an Error..................................................................................................................................................................5- 18
5.3.3.7 Outline.................................................................................................................................................................................... 5- 19
5.3.3.8 Scanning Lamp...................................................................................................................................................................... 5- 19
5.3.3.9 Turning On/Off the Lamp .......................................................................................................................................................5- 19
5.3.3.10 Detecting an Error................................................................................................................................................................5- 19
5.3.4 Detecting the Size of Originals...............................................................................................................................5- 20
5.3.4.1 Outline.................................................................................................................................................................................... 5- 20
5.3.4.2 Detecting the State (open/closed) of the ADF .......................................................................................................................5- 20
5.3.4.3 Outline.................................................................................................................................................................................... 5- 21
5.3.4.4 Points of Detection................................................................................................................................................................. 5- 21
5.3.4.5 Outline of Detection ...............................................................................................................................................................5- 22
5.3.4.6 Book Mode, 1 Original, Copyboard Cover Open ...................................................................................................................5- 22
5.3.4.7 Book Mode, 1 Original, Copyboard Cover Close................................................................................................................... 5- 23
5.3.5 Dirt Sensor Control ................................................................................................................................................5- 25
5.3.5.1 Detecting Dust in Stream Reading.........................................................................................................................................5- 25
5.4 Parts Replacement Procedure .................................................................................................................5- 27
5.4.1 Reader Unit............................................................................................................................................................5- 27
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5.4.1.1 Removing the Reader Unit..................................................................................................................................................... 5- 27
5.4.1.2 Sliding the Reader Unit..........................................................................................................................................................5- 27
5.4.2 CCD Unit ...............................................................................................................................................................5- 27
5.4.2.1 Removing the CCD Unit.........................................................................................................................................................5- 27
5.4.2.2 Removing the CCD Unit.........................................................................................................................................................5- 28
5.4.2.3 Removing the CCD Unit.........................................................................................................................................................5- 28
5.4.2.4 When Replacing the CCD Unit ..............................................................................................................................................5- 29
5.4.2.5 When Replacing the CCD Unit ..............................................................................................................................................5- 29
5.4.2.6 When Replacing the CCD/AP Unit......................................................................................................................................... 5- 29
5.4.2.7 Points to Note when Replacing the CCD Unit........................................................................................................................ 5- 30
5.4.3 Standard White Plate.............................................................................................................................................5- 30
5.4.3.1 Removing the Standard White Plate......................................................................................................................................5- 30
5.4.3.2 Removing the Standard White Plate......................................................................................................................................5- 30
5.4.3.3 When Replacing the Standard White Plate............................................................................................................................ 5- 31
5.4.3.4 When Replacing the Standard White Plate............................................................................................................................ 5- 31
5.4.4 Scanning Lamp......................................................................................................................................................5- 31
5.4.4.1 Remove the Scanning Lamp/Scanning Lamp Heater............................................................................................................5- 31
5.4.4.2 Remove the Scanning Lamp/Scanning Lamp Heater............................................................................................................5- 32
5.4.4.3 Removing the Scanning Lamp...............................................................................................................................................5- 34
5.4.4.4 Points to Note When Replacing the Scanning Lamp.............................................................................................................5- 35
5.4.4.5 Points to Note When Replacing the Scanning Lamp.............................................................................................................5- 35
5.4.4.6 Points to Note When Replacing the Scanning Lamp.............................................................................................................5- 35
5.4.4.7 When Replacing the Scanning Lamp..................................................................................................................................... 5- 35
5.4.4.8 When Replacing the Scanning Lamp..................................................................................................................................... 5- 36
5.4.4.9 After Replacing the Scanning Lamp ...................................................................................................................................... 5- 36
5.4.5 Reader Controller PCB..........................................................................................................................................5- 36
5.4.5.1 Removing the Reader Controller PCB................................................................................................................................... 5- 36
5.4.5.2 Removing the Reader Controller PCB Unit............................................................................................................................5- 36
5.4.5.3 Removing the Reader Controller PCB................................................................................................................................... 5- 36
5.4.5.4 Removing the Reader Controller PCB................................................................................................................................... 5- 36
5.4.5.5 When Replacing the Reader Controller PCB.........................................................................................................................5- 37
5.4.5.6 Removing the Reader Controller PCB Unit............................................................................................................................5- 37
5.4.5.7 Points to Note When Replacing the reader controller PCB ...................................................................................................5- 37
5.4.5.8 Points to Note When Replacing the reader controller PCB ...................................................................................................5- 37
5.4.6 Inverter PCB..........................................................................................................................................................5- 37
5.4.6.1 Removing the Inverter PCB................................................................................................................................................... 5- 37
5.4.6.2 Removing the Inverter PCB................................................................................................................................................... 5- 38
5.4.6.3 Removing the Inverter PCB................................................................................................................................................... 5- 38
5.4.7 Light Intensity Control PCB ...................................................................................................................................5- 39
5.4.7.1 Removing the Light Adjustment PCB..................................................................................................................................... 5- 39
5.4.7.2 Removing the Light Adjustment PCB..................................................................................................................................... 5- 40
5.4.8 Transformer PCB...................................................................................................................................................5- 40
5.4.8.1 Removing the Transformer Unit............................................................................................................................................. 5- 40
5.4.8.2 Removing the Transformer Unit............................................................................................................................................. 5- 40
5.4.8.3 Removing the Transformer PCB............................................................................................................................................ 5- 40
5.4.8.4 Removing the Transformer PCB(iR105)................................................................................................................................5- 41
5.4.9 Original Orientation Detection PCB.......................................................................................................................5- 41
5.4.9.1 Removing the Original Orientation Detection PCB ................................................................................................................5- 41
5.4.9.2 Removing the Original Orientation Detection PCB ................................................................................................................5- 41
5.4.10 Fuse PCB ............................................................................................................................................................5- 41
5.4.10.1 Removing the Fuse PCB...................................................................................................................................................... 5- 41
5.4.11 Scanner Motor.....................................................................................................................................................5- 42
5.4.11.1 Removing the Scanner Motor ..............................................................................................................................................5- 42
5.4.11.2 Removing the Scanner Motor ..............................................................................................................................................5- 42
5.4.11.3 Removing the Scanner Motor ..............................................................................................................................................5- 42
5.4.11.4 Mounting the Scanner Motor................................................................................................................................................ 5- 43
5.4.12 Copyboard Cover Open/Close Sensor ................................................................................................................5- 43
5.4.12.1 Removing the Copyboard Cover Sensor .............................................................................................................................5- 43
5.4.13 Original Size Sensor............................................................................................................................................5- 43
5.4.13.1 Removing the Original Size Sensor 1/2 ...............................................................................................................................5- 43
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Contents
5.4.13.2 Removing the Original Size Sensor 1/2...............................................................................................................................5- 44
5.4.13.3 Removing the Original Size Sensor.....................................................................................................................................5- 44
5.4.13.4 Removing the Original Size Sensor 3/4...............................................................................................................................5- 44
5.4.13.5 Removing the Original Size Sensor 3/4...............................................................................................................................5- 45
5.4.14 Scanner Home Position Sensor...........................................................................................................................5- 45
5.4.14.1 Removing the HP Sensor.....................................................................................................................................................5- 45
5.4.14.2 Removing the Scanner Home Position Sensor.................................................................................................................... 5- 45
5.4.14.3 Removing the Scanner Home Position Sensor.................................................................................................................... 5- 46
5.4.15 Copyboard Glass Sensor.....................................................................................................................................5- 46
5.4.15.1 Removing the Copyboard Glass Sensor.............................................................................................................................. 5- 46
5.4.15.2 Removing the Copyboard Glass Sensor.............................................................................................................................. 5- 46
5.4.16 Image Leading Edge Sensor................................................................................................................................5- 47
5.4.16.1 Removing the Image Leading Edge Sensor ........................................................................................................................ 5- 47
5.4.16.2 Removing the Image Leading Edge Sensor ........................................................................................................................ 5- 47
5.4.17 Scanner Drive Cable............................................................................................................................................5- 47
5.4.17.1 Adjusting the Tension of the Scanner Drive Cable ..............................................................................................................5- 47
5.4.17.2 Adjusting the Tension of the Scanner Drive Cable ..............................................................................................................5- 49
5.4.17.3 Removing the Scanner System Drive Cable........................................................................................................................ 5- 50
5.4.17.4 Removing the No. 1 Mirror Case Flexible Cable.................................................................................................................. 5- 50
5.4.17.5 Removing the No. 1 Mirror Case Flexible Cable.................................................................................................................. 5- 51
5.4.17.6 Routing the Scanner Drive Cable.........................................................................................................................................5- 52
5.4.17.7 Positioning the No. 1/2 Mirror Base .....................................................................................................................................5- 53
Chapter 6 Image Processing System
6.1 Outline........................................................................................................................................................6- 1
6.1.1 Outline of the Image Processing System.................................................................................................................6- 1
6.1.2 Outline......................................................................................................................................................................6- 1
6.2 Analog Image Processing ..........................................................................................................................6- 2
6.2.1 Analog Image Processing........................................................................................................................................6- 2
6.2.2 Outline......................................................................................................................................................................6- 2
6.2.3 Driving the CCD.......................................................................................................................................................6- 3
6.2.4 Gain Correction and Offset Correction of the CCD Output......................................................................................6- 3
6.2.5 A/D Conversion of the CCD Output.........................................................................................................................6- 3
6.2.6 4-Channel High-Speed Reading CCD.....................................................................................................................6- 3
6.2.7 CCD Adjustment......................................................................................................................................................6- 4
6.3 Digital Image Processing............................................................................................................................6- 5
6.3.1 Digital Image Processing.........................................................................................................................................6- 5
6.3.2 Outline......................................................................................................................................................................6- 5
6.3.3 Detecting the Orientation of Originals......................................................................................................................6- 5
6.3.4 Shading Correction..................................................................................................................................................6- 6
6.3.5 Auto Density Adjustment (AE) .................................................................................................................................6- 7
Chapter 7 Laser Exposure
7.1 Construction ...............................................................................................................................................7- 1
7.1.1 Outline of the Laser Exposure System ....................................................................................................................7- 1
7.1.2 Outline of the Laser Exposure System ....................................................................................................................7- 1
7.2 Basic Sequence .........................................................................................................................................7- 3
7.2.1 Basic Sequence of Operations (laser exposure system).........................................................................................7- 3
7.2.2 Basic Sequence.......................................................................................................................................................7- 3
7.3 Various Controls.........................................................................................................................................7- 4
7.3.1 Controlling the Laser Activation Timing ...................................................................................................................7- 4
7.3.1.1 Flow of the BD Signal .............................................................................................................................................................. 7- 4
7.3.2 Controlling the Intensity of Laser Light.....................................................................................................................7- 4
7.3.2.1 Outline...................................................................................................................................................................................... 7- 4
7.3.2.2 Controlling Laser Activation .....................................................................................................................................................7- 5
7.3.2.3 Controlling the Laser Intensity .................................................................................................................................................7- 6
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Contents
7.3.3 Controlling the Laser Scanner Motor.......................................................................................................................7- 7
7.3.3.1 Outline...................................................................................................................................................................................... 7- 7
7.4 Parts Replacement Procedure ...................................................................................................................7- 9
7.4.1 Laser Scanner Unit..................................................................................................................................................7- 9
7.4.1.1 Removing the Laser Unit .........................................................................................................................................................7- 9
7.4.1.2 Removing the Laser Unit .........................................................................................................................................................7- 9
7.4.1.3 Removing the Laser Unit .........................................................................................................................................................7- 9
7.4.1.4 Removing the Laser Unit .......................................................................................................................................................7- 10
7.4.1.5 Points to Note When Replacing the Laser Unit...................................................................................................................... 7- 11
7.4.1.6 Points to Note When Replacing the Laser Unit...................................................................................................................... 7- 11
7.4.2 BD Unit..................................................................................................................................................................7- 11
7.4.2.1 Removing the BD Unit ...........................................................................................................................................................7- 11
7.4.2.2 Removing the BD Unit ...........................................................................................................................................................7- 11
Chapter 8 Image Formation
8.1 Construction ...............................................................................................................................................8- 1
8.1.1 Outline.....................................................................................................................................................................8- 1
8.1.2 Outline of the Image Formation System(iR105)......................................................................................................8- 1
8.1.3 Major Components..................................................................................................................................................8- 3
8.1.4 Pre-Transfer Exposure LED....................................................................................................................................8- 4
8.1.5 Pre-Transfer Exposure LED....................................................................................................................................8- 4
8.1.6 Pre-Transfer Exposure LED....................................................................................................................................8- 4
8.1.7 Pre-Transfer Exposure LED....................................................................................................................................8- 5
8.1.8 Addition of the Developing Fan(iR105)....................................................................................................................8- 5
8.2 Basic Sequence..........................................................................................................................................8- 6
8.2.1 Basic Sequence.......................................................................................................................................................8- 6
8.2.2 Basic Sequence.......................................................................................................................................................8- 6
8.3 Potential Control.........................................................................................................................................8- 7
8.3.1 Outline.....................................................................................................................................................................8- 7
8.3.2 Basic Sequence.......................................................................................................................................................8- 7
8.3.3 Basic Sequence.......................................................................................................................................................8- 8
8.3.4 Determining the Optimum Grid Bias........................................................................................................................8- 9
8.3.5 Grid Bias Corrective Control....................................................................................................................................8- 9
8.3.6 Determining the Optimum Laser Output................................................................................................................8- 10
8.3.7 Laser Output Corrective Control............................................................................................................................8- 10
8.3.8 Determining the Optimum Developing Bias...........................................................................................................8- 11
8.3.9 Potential Control for Transparency Mode..............................................................................................................8- 11
8.3.10 Target Potential Correction in Each Mode...........................................................................................................8- 12
8.3.11 Target Potential Correction in Each Mode...........................................................................................................8- 14
8.4 Charging Mechanism................................................................................................................................8- 16
8.4.1 Primary Charging Mechanism...............................................................................................................................8- 16
8.4.1.1 Outline.................................................................................................................................................................................... 8- 16
8.4.1.2 Primary Charging Assembly Cleaning Mechanism................................................................................................................ 8- 16
8.4.1.3 Others....................................................................................................................................................................................8- 17
8.4.2 Dust-Collecting Roller Bias....................................................................................................................................8- 17
8.4.2.1 Outline.................................................................................................................................................................................... 8- 17
8.4.3 Pre-Transfer Charging Mechanism .......................................................................................................................8- 18
8.4.3.1 Outline.................................................................................................................................................................................... 8- 18
8.4.3.2 Controlling the Output to Suit the Environment (fuzzy control)..............................................................................................8- 19
8.4.3.3 Pre-Transfer Charging Assembly Cleaning Mechanism........................................................................................................8- 20
8.4.3.4 Others....................................................................................................................................................................................8- 20
8.5 Drum Cleaner Unit....................................................................................................................................8- 22
8.5.1 Outline...................................................................................................................................................................8- 22
8.5.2 Outline...................................................................................................................................................................8- 22
8.5.3 Detecting the Waste Toner (case full condition)....................................................................................................8- 23
8.6 Developing Assembly...............................................................................................................................8- 25
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Contents
8.6.1 Outline....................................................................................................................................................................8- 25
8.6.2 Controlling the Developing Assembly....................................................................................................................8- 25
8.6.3 Controlling the Toner Cartridge Drive Mechanism.................................................................................................8- 26
8.6.4 Controlling the Developing Bias.............................................................................................................................8- 27
8.6.5 Detecting the Toner Level and Controlling the Toner Supply Mechanism.............................................................8- 28
8.7 Transfer Mechanism.................................................................................................................................8- 31
8.7.1 Transfer Guide Bias...............................................................................................................................................8- 31
8.7.1.1 Outline.................................................................................................................................................................................... 8- 31
8.7.1.2 Controlling the Output to Suit the Environment...................................................................................................................... 8- 31
8.7.2 Transfer Charging Mechanism...............................................................................................................................8- 32
8.7.2.1 Outline.................................................................................................................................................................................... 8- 32
8.7.2.2 Controlling the Output to Suit the Environment (fuzzy control)..............................................................................................8- 32
8.7.2.3 Correcting the Output at the Trailing Edge of Paper..............................................................................................................8- 33
8.7.2.4 Transfer Charging Assembly Cleaning Mechanism............................................................................................................... 8- 34
8.7.2.5 Others....................................................................................................................................................................................8- 35
8.8 Separation Mechanism.............................................................................................................................8- 36
8.8.1 Separation Charging Mechanism...........................................................................................................................8- 36
8.8.1.1 Outline.................................................................................................................................................................................... 8- 36
8.8.1.2 Correcting the Output to Suit the Environment and the Toner Deposit.................................................................................. 8- 36
8.8.1.3 Correcting the Output upon Detection of Leakage................................................................................................................. 8- 37
8.8.1.4 Others....................................................................................................................................................................................8- 38
8.9 Parts Replacement Procedure .................................................................................................................8- 39
8.9.1 Process Unit...........................................................................................................................................................8- 39
8.9.1.1 Removing the Process Unit ...................................................................................................................................................8- 39
8.9.1.2 Removing the Process Unit ...................................................................................................................................................8- 39
8.9.1.3 Mounting the Process Unit.....................................................................................................................................................8- 40
8.9.1.4 Mounting the Process Unit.....................................................................................................................................................8- 41
8.9.2 Pre-Exposure Lamp...............................................................................................................................................8- 41
8.9.2.1 Removing the Pre-Exposure Lamp Unit ................................................................................................................................ 8- 41
8.9.3 Primary Charging Assembly ..................................................................................................................................8- 41
8.9.3.1 Removing the Primary Charging Assembly...........................................................................................................................8- 41
8.9.4 Pre-Transfer Charging Assembly...........................................................................................................................8- 42
8.9.4.1 Removing the Pre-Transfer Charging Assembly ................................................................................................................... 8- 42
8.9.5 Photosensitive Drum..............................................................................................................................................8- 42
8.9.5.1 Points to Note When Handling the Photosensitive Drum.......................................................................................................8- 42
8.9.5.2 Points to Note When Handling the Photosensitive Drum.......................................................................................................8- 42
8.9.5.3 Removing the Photosensitive Drum....................................................................................................................................... 8- 42
8.9.5.4 Removing the Photosensitive Drum....................................................................................................................................... 8- 43
8.9.6 Drum Cleaner Unit.................................................................................................................................................8- 44
8.9.6.1 Construction........................................................................................................................................................................... 8- 44
8.9.6.2 Construction........................................................................................................................................................................... 8- 44
8.9.6.3 Removing the Cleaning Blade ............................................................................................................................................... 8- 44
8.9.6.4 Removing the Cleaning Blade ............................................................................................................................................... 8- 45
8.9.6.5 Mounting the Cleaning Blade................................................................................................................................................. 8- 45
8.9.6.6 Mounting the Cleaning Blade................................................................................................................................................. 8- 46
8.9.6.7 Removing the Blade Vibrating Unit........................................................................................................................................ 8- 46
8.9.7 Photosensitive Drum Heater..................................................................................................................................8- 46
8.9.7.1 Replacing the Photosensitive Drum Heater...........................................................................................................................8- 46
8.9.8 Developing Assembly ............................................................................................................................................8- 47
8.9.8.1 Removing the Developing Assembly..................................................................................................................................... 8- 47
8.9.8.2 Removing the Hopper............................................................................................................................................................8- 47
8.9.9 Developing Cylinder...............................................................................................................................................8- 47
8.9.9.1 Removing the Developing Cylinder........................................................................................................................................8- 47
8.9.10 Developing Blade.................................................................................................................................................8- 49
8.9.10.1 Removing the Blade Unit ..................................................................................................................................................... 8- 49
8.9.10.2 Mounting the Blade..............................................................................................................................................................8- 49
8.9.11 Developing Cylinder Deceleration Clutch.............................................................................................................8- 49
8.9.11.1 Remove the Developing Cylinder Deceleration Clutch........................................................................................................ 8- 49
8.9.11.2 Remove the Developing Cylinder Deceleration Clutch........................................................................................................ 8- 50
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Contents
8.9.12 Developing Cylinder Clutch .................................................................................................................................8- 50
8.9.12.1 Remove the Developing Cylinder Clutch ............................................................................................................................. 8- 50
8.9.12.2 Remove the Developing Cylinder Clutch ............................................................................................................................. 8- 51
8.9.13 Transfer/Separation Charging Assembly.............................................................................................................8- 51
8.9.13.1 Removing the Transfer/Separation Charging Assembly...................................................................................................... 8- 51
8.9.14 Pre-Transfer Exposure LED ................................................................................................................................8- 52
8.9.14.1 Removing the Pre-Transfer Exposure LED.......................................................................................................................... 8- 52
8.9.14.2 Removing the Pre-Transfer Exposure LED.......................................................................................................................... 8- 52
8.9.15 Separation Claw/Separation Claw Drive Assembly.............................................................................................8- 53
8.9.15.1 Separation Claw/Separation Claw Drive Assembly ............................................................................................................. 8- 53
8.9.16 Potential Sensor ..................................................................................................................................................8- 53
8.9.16.1 Removing the Potential Sensor Unit ....................................................................................................................................8- 53
8.9.17 Dust-Collecting Roller..........................................................................................................................................8- 54
8.9.17.1 Removing the Dust-Collecting Roller...................................................................................................................................8- 54
8.9.18 Charging Wire......................................................................................................................................................8- 54
8.9.18.1 Outline..................................................................................................................................................................................8- 54
8.9.18.2 Outline..................................................................................................................................................................................8- 54
8.9.18.3 Removing the Wire Cleaner for the Primary Charging Assembly ........................................................................................8- 54
8.9.18.4 Removing the Wire Cleaner for the Primary Charging Assembly ........................................................................................8- 54
8.9.18.5 Stringing the Charging Wire.................................................................................................................................................8- 55
8.9.18.6 Stringing the Charging Wire.................................................................................................................................................8- 56
8.9.18.7 Stringing the Grid of the Primary Charging Assembly..........................................................................................................8- 56
8.9.18.8 Stringing the Grid of the Primary Charging Assembly..........................................................................................................8- 57
8.9.18.9 Adjusting the Height of the Charging Wire........................................................................................................................... 8- 57
8.9.18.10 Adjusting the Height of the Charging Wire.........................................................................................................................8- 58
Chapter 9 Pickup/Feeding System
9.1 Construction ...............................................................................................................................................9- 1
9.1.1 Outline of the Pickup/Feeding System(iR105).........................................................................................................9- 1
9.1.2 Specifications and Construction..............................................................................................................................9- 3
9.1.3 Optical Sensors(iR105) ...........................................................................................................................................9- 4
9.1.4 Arrangement of Rollers and Sensors ......................................................................................................................9- 4
9.1.5 Arrangement of Rollers and Sensors ......................................................................................................................9- 5
9.1.6 Control System........................................................................................................................................................9- 6
9.1.7 Index Paper Attachment..........................................................................................................................................9- 7
9.1.8 Controlling the Pickup Motor (M2)...........................................................................................................................9- 8
9.2 Basic Sequence..........................................................................................................................................9- 9
9.2.1 Right Deck...............................................................................................................................................................9- 9
9.2.2 Pickup from the front deck.......................................................................................................................................9- 9
9.2.3 Pickup from the cassette 4....................................................................................................................................9- 10
9.2.4 Pickup from the cassette 4....................................................................................................................................9- 11
9.3 Detecting Jams.........................................................................................................................................9- 12
9.3.1 Jam Detection Outline...........................................................................................................................................9- 12
9.3.1.1 Outline.................................................................................................................................................................................... 9- 12
9.3.1.2 Outline.................................................................................................................................................................................... 9- 13
9.3.2 Delay Jams............................................................................................................................................................9- 14
9.3.2.1 Cassette Pickup (Right deck, Left deck, cassette 3, 4).......................................................................................................... 9- 14
9.3.2.2 Cassette Pickup (Right deck, Left deck, cassette 3, 4).......................................................................................................... 9- 14
9.3.2.3 Other Delay Jams ..................................................................................................................................................................9- 15
9.3.2.4 Other Delay Jams ..................................................................................................................................................................9- 16
9.3.2.5 Other Delay Jams ..................................................................................................................................................................9- 17
9.3.3 Stationary Jams.....................................................................................................................................................9- 18
9.3.3.1 Common Stationary Jams...................................................................................................................................................... 9- 18
9.3.3.2 Common Stationary Jams...................................................................................................................................................... 9- 19
9.3.3.3 Stationary Jam at Power-On..................................................................................................................................................9- 19
9.4 Cassette Pick-Up Unit ..............................................................................................................................9- 20
9.4.1 Outline...................................................................................................................................................................9- 20
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Contents
9.4.2 Detecting the Presence/Absence of Paper............................................................................................................9- 21
9.4.3 Detecting the Level of Paper..................................................................................................................................9- 22
9.4.4 Cassette 3/4...........................................................................................................................................................9- 23
9.4.5 Markings on the Width Guide Rail .........................................................................................................................9- 24
9.4.6 Paper Size .............................................................................................................................................................9- 24
9.5 Manual Feed Pickup Unit .........................................................................................................................9- 27
9.5.1 Pickup Operation ...................................................................................................................................................9- 27
9.5.2 Detecting the Paper Size.......................................................................................................................................9- 27
9.6 Deck .........................................................................................................................................................9- 29
9.6.1 Outline....................................................................................................................................................................9- 29
9.6.2 Lifter Limiter (deck right/left) ..................................................................................................................................9- 30
9.6.3 Detecting the Presence/Absence of Paper............................................................................................................9- 31
9.6.4 Detecting the Level of Paper..................................................................................................................................9- 32
9.6.5 Cassette Deck Right/Left.......................................................................................................................................9- 34
9.7 Registration Unit.......................................................................................................................................9- 35
9.7.1 Outline....................................................................................................................................................................9- 35
9.7.2 Control System ......................................................................................................................................................9- 35
9.7.3 Sequence of Operations (registration brake).........................................................................................................9- 35
9.8 Duplex Feeding Unit.................................................................................................................................9- 37
9.8.1 Copying on the First Side.......................................................................................................................................9- 37
9.8.2 Printing on the First Side........................................................................................................................................9- 37
9.8.3 Copying on the Second Side .................................................................................................................................9- 38
9.8.4 Printing on the Second Side ..................................................................................................................................9- 39
9.8.5 Sequence of Operations........................................................................................................................................9- 40
9.8.6 Sequence of Operations........................................................................................................................................9- 40
9.8.7 Controlling the reversal motor (M11) .....................................................................................................................9- 40
9.8.8 Controlling the duplexing feeder motor (M12)........................................................................................................9- 41
9.8.9 No-Stacking Operation...........................................................................................................................................9- 42
9.8.10 No-Stacking Operation.........................................................................................................................................9- 47
9.8.11 Detecting the Horizontal Registration Position.....................................................................................................9- 52
9.8.12 Controlling the Horizontal Registration Motor (M15)............................................................................................9- 53
9.9 Delivery ....................................................................................................................................................9- 55
9.9.1 Reversal Delivery...................................................................................................................................................9- 55
9.9.2 Reversal Delivery...................................................................................................................................................9- 55
9.10 Parts Replacement Procedure ...............................................................................................................9- 57
9.10.1 Cassette Pickup Assembly...................................................................................................................................9- 57
9.10.1.1 Removing the Cassette 3 Pickup Assembly ........................................................................................................................9- 57
9.10.1.2 Removing the Cassette 4 Pickup Assembly ........................................................................................................................9- 57
9.10.1.3 Removing the Vertical Path 3/4 Sensor and the Cassette 3/4 Pickup Sensor..................................................................... 9- 57
9.10.2 Cassette Lifter Motor............................................................................................................................................9- 57
9.10.2.1 Removing the Lifter Motor (M16/M17) of the Cassette (3/4)................................................................................................9- 57
9.10.3 Front Deck Pickup Assembly...............................................................................................................................9- 58
9.10.3.1 Removing the Front Deck (right).......................................................................................................................................... 9- 58
9.10.3.2 Removing the Pickup Assembly of the Front Deck (left)......................................................................................................9- 58
9.10.4 Left Deck Pickup Sensor......................................................................................................................................9- 59
9.10.4.1 Removing the Left Deck Pickup Sensor............................................................................................................................... 9- 59
9.10.5 Right Deck Pickup Sensor ...................................................................................................................................9- 59
9.10.5.1 Removing the Right Deck Feed Sensor/Right Deck Pickup Sensor.................................................................................... 9- 59
9.10.6 Manual Tray Assembly.........................................................................................................................................9- 59
9.10.6.1 Removing the Manual Feed Tray Unit ................................................................................................................................. 9- 59
9.10.6.2 Removing the Manual Feed Tray Unit ................................................................................................................................. 9- 60
9.10.6.3 Fitting the Side Guide Timing Belt for the Manual Feed Tray Assembly(iR105).................................................................. 9- 60
9.10.6.4 Fitting the Side Guide Timing Belt for the Manual Feed Tray Assembly.............................................................................. 9- 60
9.10.7 Manual Pickup Roller...........................................................................................................................................9- 60
9.10.7.1 Removing the Pickup Roller................................................................................................................................................. 9- 60
9.10.7.2 Mounting the Pickup Roller .................................................................................................................................................. 9- 60
9.10.8 Manual Feed Roller..............................................................................................................................................9- 61
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Contents
9.10.8.1 Removing the Feeding Roller............................................................................................................................................... 9- 61
9.10.8.2 Orientation of the Feeding Roller.........................................................................................................................................9- 61
9.10.8.3 Removing the Manual Feed Roller....................................................................................................................................... 9- 61
9.10.8.4 Mounting the Manual Feed Roller........................................................................................................................................ 9- 62
9.10.9 Manual Separation Roller....................................................................................................................................9- 62
9.10.9.1 Removing the Separation Roller .......................................................................................................................................... 9- 62
9.10.10 Manual Feed Tray sensor..................................................................................................................................9- 63
9.10.10.1 Removing the Manual Feed Tray Paper Sensor................................................................................................................9- 63
9.10.10.2 Removing the Manual Feed Tray Paper Sensor................................................................................................................9- 64
9.10.11 Registration Roller .............................................................................................................................................9- 65
9.10.11.1 Removing the Registration Roller.......................................................................................................................................9- 65
9.10.12 Pre-Registration Roller.......................................................................................................................................9- 66
9.10.12.1 Removing the Pre-Registration Roller................................................................................................................................ 9- 66
9.10.13 Registration Clutch.............................................................................................................................................9- 67
9.10.13.1 Removing the Registration Clutch...................................................................................................................................... 9- 67
9.10.13.2 Removing the Registration Clutch...................................................................................................................................... 9- 67
9.10.14 Registration Brake Clutch..................................................................................................................................9- 68
9.10.14.1 Removing the Registration Brake Clutch ...........................................................................................................................9- 68
9.10.14.2 Removing the Registration Brake Clutch ...........................................................................................................................9- 68
9.10.15 Fixing/Feed Unit.................................................................................................................................................9- 68
9.10.15.1 Removing the Fixing/Feed Unit.......................................................................................................................................... 9- 68
9.10.15.2 Removing the Fixing/Feed Unit.......................................................................................................................................... 9- 69
9.10.16 Feeding Roller....................................................................................................................................................9- 69
9.10.16.1 Removing the Feeding Roller............................................................................................................................................. 9- 69
9.10.16.2 Orientation of the Feeding Roller of the Deck/Cassette Pickup Assembly.........................................................................9- 69
9.10.17 Vertical Path Roller............................................................................................................................................9- 69
9.10.17.1 Removing the Vertical Path Roller 1/3/4 ............................................................................................................................9- 69
9.10.17.2 Removing the Vertical Path Roller 1/3/4 ............................................................................................................................9- 70
9.10.17.3 Removing the Vertical Path Roller 2 ..................................................................................................................................9- 70
9.10.17.4 Removing the Vertical Path Roller 2 ..................................................................................................................................9- 71
9.10.18 Fixing Feeding Unit Releasing Lever Sensor.....................................................................................................9- 71
9.10.18.1 Removing the Fixing Feeding Unit Releasing lever Sensor............................................................................................... 9- 71
9.10.19 Feeding Belt.......................................................................................................................................................9- 71
9.10.19.1 Removing the Feeding Belt................................................................................................................................................ 9- 71
9.10.20 Duplexing Unit....................................................................................................................................................9- 72
9.10.20.1 Removing the Duplexing Unit............................................................................................................................................. 9- 72
9.10.20.2 Removing the Reversal Motor............................................................................................................................................9- 73
9.10.20.3 Removing the Reversal Motor............................................................................................................................................9- 73
9.10.20.4 Removing the Duplex Left Feed Motor...............................................................................................................................9- 73
9.10.20.5 Removing the Lower Feed Motor....................................................................................................................................... 9- 73
9.10.20.6 Removing the Reversing Flapper Solenoid........................................................................................................................9- 74
9.10.20.7 Removing the Duplex Right Feed Motor ............................................................................................................................9- 74
9.10.20.8 Removing the Left Deck Feed Sensor ............................................................................................................................... 9- 74
9.10.20.9 Removing the Horizontal Registration Motor...................................................................................................................... 9- 74
9.10.20.10 Removing the Deck (left) Draw- Out Clutch/Lower Feeder Middle Clutch .......................................................................9- 75
9.10.20.11 Removing the Lower Feeding Right Clutch...................................................................................................................... 9- 75
9.10.20.12 Removing the Pre-Confluence Sensor.............................................................................................................................9- 75
9.10.20.13 Removing the Post-Confluence Sensor ........................................................................................................................... 9- 75
9.10.20.14 Removing the Front Deck (lifter) Draw-Out Sensor.......................................................................................................... 9- 76
9.10.20.15 Removing the Horizontal Registration Sensor..................................................................................................................9- 76
9.10.21 Separation Roller...............................................................................................................................................9- 77
9.10.21.1 Removing the Separation Roller ........................................................................................................................................ 9- 77
9.10.21.2 Orientation of the Separation Roller...................................................................................................................................9- 77
Chapter 10 Fixing System
10.1 Construction............................................................................................................................................10- 1
10.1.1 Outline .................................................................................................................................................................10- 1
10.1.2 Outline .................................................................................................................................................................10- 1
10.1.3 Outline .................................................................................................................................................................10- 1
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Contents
10.1.4 Outline..................................................................................................................................................................10- 2
10.1.5 Major Components...............................................................................................................................................10- 2
10.1.6 Fixing Drive System Outline.................................................................................................................................10- 3
10.1.7 Controlling the Fixing Roller Drive Mechanism....................................................................................................10- 4
10.1.8 Controlling the Cleaning Belt Drive Mechanism...................................................................................................10- 5
10.1.9 Controlling the Thermistor Reciprocating Mechanism .........................................................................................10- 5
10.1.10 Controlling the Upper Separation Claw Reciprocating Mechanism....................................................................10- 6
10.2 Basic Sequence......................................................................................................................................10- 7
10.2.1 Basic Sequence...................................................................................................................................................10- 7
10.2.2 Basic Sequence...................................................................................................................................................10- 7
10.2.3 Basic Sequence...................................................................................................................................................10- 7
10.3 Various Control Mechanisms..................................................................................................................10- 9
10.3.1 Controlling the Fixing Roller Temperature ...........................................................................................................10- 9
10.3.1.1 Down Sequence Control ......................................................................................................................................................10- 9
10.3.1.2 Down Sequence Control ......................................................................................................................................................10- 9
10.3.1.3 Down Sequence Control ....................................................................................................................................................10- 10
10.3.1.4 Down Sequence Control ....................................................................................................................................................10- 11
10.3.1.5 Fixing Temperature Control(iR105).................................................................................................................................... 10- 12
10.3.1.6 Transparency Mode ...........................................................................................................................................................10- 13
10.3.1.7 Transparency Mode ...........................................................................................................................................................10- 13
10.3.1.8 Transparency Mode ...........................................................................................................................................................10- 14
10.3.1.9 Thick Paper Mode.............................................................................................................................................................. 10- 15
10.3.1.10 Thick Paper Mode ............................................................................................................................................................10- 15
10.3.1.11 Thick Paper Mode ............................................................................................................................................................10- 15
10.3.1.12 Thick Paper Mode ............................................................................................................................................................10- 16
10.3.1.13 Thick Paper Mode ............................................................................................................................................................10- 16
10.3.1.14 Power Save Mode............................................................................................................................................................10- 16
10.3.1.15 Power Save Mode............................................................................................................................................................10- 17
10.4 Protective Functions.............................................................................................................................10- 18
10.4.1 Detecting an Error..............................................................................................................................................10- 18
10.4.2 Detecting an Error..............................................................................................................................................10- 18
10.5 Parts Replacement Procedure .............................................................................................................10- 20
10.5.1 Fixing Unit..........................................................................................................................................................10- 20
10.5.1.1 Removing the Fixing Assembly.......................................................................................................................................... 10- 20
10.5.2 Upper Fixing Roller ............................................................................................................................................10- 21
10.5.2.1 Removing the Fixing Upper Roller ..................................................................................................................................... 10- 21
10.5.2.2 Removing the Fixing Upper Roller ..................................................................................................................................... 10- 22
10.5.2.3 Mounting the Fixing Upper Roller....................................................................................................................................... 10- 23
10.5.2.4 Mounting the Fixing Upper Roller....................................................................................................................................... 10- 23
10.5.3 Lower Fixing Roller ............................................................................................................................................10- 23
10.5.3.1 Removing the Lower Fixing Roller ..................................................................................................................................... 10- 23
10.5.3.2 Adjusting the Lower Roller Pressure (nip width)................................................................................................................10- 24
10.5.3.3 Adjusting the Lower Roller Pressure (nip)..........................................................................................................................10- 24
10.5.4 External Delivery Roller......................................................................................................................................10- 24
10.5.4.1 Removing the External Delivery Roller ..............................................................................................................................10- 24
10.5.4.2 Removing the External Delivery Roller ..............................................................................................................................10- 25
10.5.5 Internal Delivery Roller.......................................................................................................................................10- 26
10.5.5.1 Removing the Internal Delivery Roller................................................................................................................................ 10- 26
10.5.5.2 Removing the Internal Delivery Roller................................................................................................................................ 10- 26
10.5.6 Main Thermistor.................................................................................................................................................10- 26
10.5.6.1 Removing the Main Thermistor..........................................................................................................................................10- 26
10.5.6.2 Removing the Main Thermistor..........................................................................................................................................10- 27
10.5.6.3 Mounting the Main Thermistor ...........................................................................................................................................10- 27
10.5.6.4 Mounting the Main Thermistor ...........................................................................................................................................10- 27
10.5.7 Sub Thermistor...................................................................................................................................................10- 27
10.5.7.1 Removing the Sub Thermistor ........................................................................................................................................... 10- 27
10.5.7.2 Removing the Sub Thermistor ........................................................................................................................................... 10- 28
10.5.8 Thermal Switch ..................................................................................................................................................10- 28
10.5.8.1 Removing the Thermal Switch Unit....................................................................................................................................10- 28
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Contents
10.5.8.2 Removing the Thermal Switch Unit....................................................................................................................................10- 29
10.5.8.3 Mounting the Thermal Switch Unit ..................................................................................................................................... 10- 29
10.5.8.4 Mounting the Thermal Switch Unit ..................................................................................................................................... 10- 29
10.5.9 Fixing Heater .....................................................................................................................................................10- 30
10.5.9.1 Removing the Main/Sub Heater.........................................................................................................................................10- 30
10.5.9.2 Removing the Main/Sub Heater.........................................................................................................................................10- 30
10.5.9.3 Mounting the Main/Sub Heater ..........................................................................................................................................10- 30
10.5.9.4 Mounting the Main/Sub Heater ..........................................................................................................................................10- 31
10.5.9.5 Points to Note When Mounting the Fixing Heater.............................................................................................................. 10- 31
10.5.9.6 Points to Note When Mounting the Fixing Heater.............................................................................................................. 10- 31
10.5.10 Fixing Cleaning Belt.........................................................................................................................................10- 31
10.5.10.1 Removing the Fixing Cleaning Belt.................................................................................................................................. 10- 31
10.5.10.2 Mounting the Fixing Cleaning Belt.................................................................................................................................... 10- 32
10.5.11 Claw Jam Sensor.............................................................................................................................................10- 33
10.5.11.1 Removing the Claw Jam Sensor......................................................................................................................................10- 33
10.5.11.2 Removing the Delivery Speed Switching Clutch ..............................................................................................................10- 33
10.5.12 External Delivery Sensor .................................................................................................................................10- 33
10.5.12.1 Remove the External Delivery Sensor .............................................................................................................................10- 33
10.5.12.2 Remove the External Delivery Sensor .............................................................................................................................10- 33
10.5.13 Internal Delivery Sensor...................................................................................................................................10- 34
10.5.13.1 Removing the Internal Delivery Sensor............................................................................................................................ 10- 34
10.5.13.2 Removing the Internal Delivery Sensor............................................................................................................................ 10- 34
10.5.14 Reversal Sensor ..............................................................................................................................................10- 34
10.5.14.1 Removing the Reversal Sensor........................................................................................................................................10- 34
10.5.15 Fixing/Feeding Outlet Sensor ..........................................................................................................................10- 35
10.5.15.1 Remove the Fixing/Feeder Unit Outlet Sensor.................................................................................................................10- 35
10.5.15.2 Remove the Fixing/Feeder Unit Outlet Sensor.................................................................................................................10- 35
10.5.16 Delivery Speed Switch Clutch..........................................................................................................................10- 35
10.5.16.1 Removing the Delivery Speed Switching Clutch ..............................................................................................................10- 35
10.5.16.2 Removing the Delivery Speed Switching Clutch ..............................................................................................................10- 36
10.5.17 Upper Separation Claw....................................................................................................................................10- 36
10.5.17.1 Removing the Upper Separation Claw............................................................................................................................. 10- 36
10.5.18 Lower Separation Claw....................................................................................................................................10- 37
10.5.18.1 Removing the Lower Separation Claw............................................................................................................................. 10- 37
Chapter 11 External and Controls
11.1 Control Panel..........................................................................................................................................11- 1
11.1.1 Outline .................................................................................................................................................................11- 1
11.1.2 Outline .................................................................................................................................................................11- 1
11.2 Counters .................................................................................................................................................11- 3
11.2.1 Soft Counters.......................................................................................................................................................11- 3
11.2.2 Soft Counters.......................................................................................................................................................11- 4
11.3 Fans........................................................................................................................................................11- 6
11.3.1 Changes Made to Externals/Auxiliary Controls(iR105)........................................................................................11- 6
11.3.2 Fans.....................................................................................................................................................................11- 7
11.3.3 Fans.....................................................................................................................................................................11- 9
11.3.4 Fans...................................................................................................................................................................11- 10
11.3.5 Fans...................................................................................................................................................................11- 11
11.3.6 Sequence of Fan Operation...............................................................................................................................11- 12
11.3.7 Sequence of Fan Operation...............................................................................................................................11- 13
11.3.8 Sequence of Fan Operation...............................................................................................................................11- 14
11.4 Power Supply System...........................................................................................................................11- 15
11.4.1 Power Supply.....................................................................................................................................................11- 15
11.4.1.1 Outline of the Power Supply...............................................................................................................................................11- 15
11.4.2 Protection Function............................................................................................................................................11- 15
11.4.2.1 Protective Functions...........................................................................................................................................................11- 15
11.4.3 Backup Battery ..................................................................................................................................................11- 16
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Contents
11.4.3.1 Backup Battery................................................................................................................................................................... 11- 16
11.4.4 Energy-Saving Function.....................................................................................................................................11- 16
11.4.4.1 Outline................................................................................................................................................................................ 11- 16
11.4.4.2 Outline................................................................................................................................................................................ 11- 17
11.4.4.3 Outline................................................................................................................................................................................ 11- 17
11.4.4.4 Outline................................................................................................................................................................................ 11- 18
11.4.4.5 Power Supply Mode...........................................................................................................................................................11- 18
11.4.4.6 Standby Mode (normal operation)......................................................................................................................................11- 19
11.4.4.7 Power Save Mode.............................................................................................................................................................. 11- 19
11.4.4.8 Low Power Mode ...............................................................................................................................................................11- 19
11.4.4.9 Sleep Mode........................................................................................................................................................................11- 19
11.4.4.10 OFF Mode(iR105) ............................................................................................................................................................ 11- 19
11.4.4.11 Power Supply OFF Mode.................................................................................................................................................11- 20
11.5 Parts Replacement Procedure .............................................................................................................11- 21
11.5.1 Left Pickup Drive Assembly ...............................................................................................................................11- 21
11.5.1.1 Removing the Left Pickup Drive Assembly ........................................................................................................................ 11- 21
11.5.2 Pickup Drive Assembly ......................................................................................................................................11- 21
11.5.2.1 Removing the Pickup Drive Assembly ............................................................................................................................... 11- 21
11.5.3 Developing Drive Assembly...............................................................................................................................11- 21
11.5.3.1 Removing the Developing Drive Assembly........................................................................................................................ 11- 21
11.5.4 Vertical Path Drive Assembly.............................................................................................................................11- 22
11.5.4.1 Removing the Vertical Path Drive Assembly...................................................................................................................... 11- 22
11.5.5 Waste Toner Drive Assembly.............................................................................................................................11- 23
11.5.5.1 Removing the Waste Toner Drive Assembly .....................................................................................................................11- 23
11.5.6 Multifeeder Pickup Drive Assembly....................................................................................................................11- 23
11.5.6.1 Removing the Multifeeder Pickup Drive Assembly ............................................................................................................ 11- 23
11.5.7 Lifter Drive Assembly.........................................................................................................................................11- 23
11.5.7.1 Removing the Lifter Drive Assembly (right deck)...............................................................................................................11- 23
11.5.7.2 Removing the Lifter Drive Assembly (left deck) .................................................................................................................11- 24
11.5.8 Main Drive Assembly .........................................................................................................................................11- 24
11.5.8.1 Removing the Main Drive Assembly ..................................................................................................................................11- 24
11.5.9 Drum Drive Assembly ........................................................................................................................................11- 25
11.5.9.1 Removing the Drum Drive Assembly .................................................................................................................................11- 25
11.5.9.2 Removing the Drive Assembly...........................................................................................................................................11- 26
11.5.10 Cassette Pickup Drive Assembly .....................................................................................................................11- 27
11.5.10.1 Removing the Cassette Pickup Drive Assembly..............................................................................................................11- 27
11.5.10.2 Removing the Cassette Pickup Drive Assembly..............................................................................................................11- 27
11.5.11 Toner Cartridge Drive Assembly......................................................................................................................11- 27
11.5.11.1 Removing the Toner Cartridge Drive Assembly............................................................................................................... 11- 27
11.5.12 Power Supply Unit............................................................................................................................................11- 28
11.5.12.1 Removing the Power Supply Unit.....................................................................................................................................11- 28
11.5.12.2 Removing the Power Supply Unit.....................................................................................................................................11- 28
11.5.13 Control Panel....................................................................................................................................................11- 29
11.5.13.1 Removing the Control Panel Unit..................................................................................................................................... 11- 29
11.5.13.2 Removing the Control Panel Unit..................................................................................................................................... 11- 30
11.5.13.3 Removing the Control Panel Unit..................................................................................................................................... 11- 31
11.5.13.4 Removing the Control Panel Unit..................................................................................................................................... 11- 31
11.5.14 Control Panel Support Unit...............................................................................................................................11- 33
11.5.14.1 Removing the Control Panel Support Unit .......................................................................................................................11- 33
11.5.15 Cover Switch Assembly....................................................................................................................................11- 33
11.5.15.1 Removing the Front Cover Switch Assembly...................................................................................................................11- 33
11.5.15.2 Removing the Front Cover Switch Assembly...................................................................................................................11- 34
11.5.16 Manual Feed Tray Switch Assembly................................................................................................................11- 34
11.5.16.1 Removing the Manual Feed Tray Switch Assembly.........................................................................................................11- 34
11.5.16.2 Removing the Manual Feed Tray Switch Assembly.........................................................................................................11- 34
11.5.17 Drum Heater Switch Assembly.........................................................................................................................11- 35
11.5.17.1 Removing the Drum Heater Switch Assembly ................................................................................................................. 11- 35
11.5.17.2 Removing the Drum Heater Switch Assembly ................................................................................................................. 11- 35
11.5.18 DC Controller PCB...........................................................................................................................................11- 35
11.5.18.1 Removing the DC Controller PCB.................................................................................................................................... 11- 35
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Contents
11.5.18.2 Removing the DC Controller PCB....................................................................................................................................11- 36
11.5.18.3 When Replacing the DC Controller PCB..........................................................................................................................11- 36
11.5.18.4 When Replacing the DC Controller PCB..........................................................................................................................11- 36
11.5.19 Control Panel Controller PCB..........................................................................................................................11- 36
11.5.19.1 Removing the Control Panel Controller (CPU) PCB ........................................................................................................11- 36
11.5.19.2 Removing the Control Panel Controller (CPU) PCB ........................................................................................................11- 37
11.5.20 Control Panel Inverter PCB..............................................................................................................................11- 37
11.5.20.1 Removing the Control Panel Inverter PCB.......................................................................................................................11- 37
11.5.20.2 Removing the Control Panel Inverter ...............................................................................................................................11- 37
11.5.21 Control Panel PCB...........................................................................................................................................11- 37
11.5.21.1 Removing the Control Panel PCB.................................................................................................................................... 11- 37
11.5.21.2 Removing the Control Panel PCB.................................................................................................................................... 11- 38
11.5.21.3 Removing the Control Panel PCB.................................................................................................................................... 11- 38
11.5.22 AC Driver PCB.................................................................................................................................................11- 38
11.5.22.1 Removing the AC Driver PCB..........................................................................................................................................11- 38
11.5.22.2 Removing the AC Driver PCB..........................................................................................................................................11- 39
11.5.23 All Night Power Supply PCB............................................................................................................................11- 39
11.5.23.1 Removing the All Night Power Supply PCB.....................................................................................................................11- 39
11.5.23.2 Removing the All Night Power Supply PCB.....................................................................................................................11- 39
11.5.24 Relay PCB .......................................................................................................................................................11- 40
11.5.24.1 Removing the Relay PCB.................................................................................................................................................11- 40
11.5.24.2 Removing the Relay PCB.................................................................................................................................................11- 40
11.5.25 High-Voltage Transformer (AC).......................................................................................................................11- 40
11.5.25.1 Removing the High-Voltage Transformer Assembly (AC)................................................................................................11- 40
11.5.25.2 Removing the High-Voltage Transformer Assembly (AC)................................................................................................11- 40
11.5.26 HV-AC PCB .....................................................................................................................................................11- 41
11.5.26.1 Removing the HV-AC PCB...............................................................................................................................................11- 41
11.5.26.2 Removing the HV-AC PCB...............................................................................................................................................11- 41
11.5.27 HV-DC PCB.....................................................................................................................................................11- 41
11.5.27.1 Removing the HV-DC PCB .............................................................................................................................................. 11- 41
11.5.27.2 Removing the HV-DC PCB .............................................................................................................................................. 11- 41
11.5.27.3 When Replacing the HV-DC PCB ....................................................................................................................................11- 42
11.5.27.4 When Replacing the HV-DC PCB ....................................................................................................................................11- 42
11.5.28 Fixing Heat Discharge Fan ..............................................................................................................................11- 42
11.5.28.1 Removing the Fixing Heat Discharge Fan (FM2).............................................................................................................11- 42
11.5.29 Scanner Cooling Fan.......................................................................................................................................11- 42
11.5.29.1 Removing the Scanner Motor Cooling Fan (FM18)..........................................................................................................11- 42
11.5.30 Stream Reading Fan........................................................................................................................................11- 43
11.5.30.1 Removing the Stream Reading Fan (FM4) ...................................................................................................................... 11- 43
11.5.31 Laser Cooling Fan............................................................................................................................................11- 43
11.5.31.1 Removing the Laser Motor Cooling Fan (FM1)................................................................................................................ 11- 43
11.5.31.2 Removing the Laser Cooling Fan 2 (FM5) .......................................................................................................................11- 43
11.5.31.3 Removing the Laser Cooling Fan 1 (FM3) .......................................................................................................................11- 44
11.5.31.4 Removing the Laser Cooling Fan 2 (FM5) .......................................................................................................................11- 44
11.5.32 De-Curling Fan.................................................................................................................................................11- 44
11.5.32.1 Removing the Curl-Reducing Fan (FM6) ......................................................................................................................... 11- 44
11.5.32.2 Removing the Curl-Reducing Fan (FM6) ......................................................................................................................... 11- 45
11.5.33 Drum Fan.........................................................................................................................................................11- 45
11.5.33.1 Removing the Drum Fan (FM8)........................................................................................................................................11- 45
11.5.34 Inverter Cooling Fan ........................................................................................................................................11- 46
11.5.34.1 Removing the Inverter Cooling Fan (FM9)....................................................................................................................... 11- 46
11.5.35 Pre-Transfer Charging Assembly Fan .............................................................................................................11- 46
11.5.35.1 Removing the Pre-Transfer Charging Assembly Fan (FM10).......................................................................................... 11- 46
11.5.36 Power Supply Cooling Fan 1 ...........................................................................................................................11- 47
11.5.36.1 Removing the Power Supply Cooling Fan 1 (FM11)........................................................................................................11- 47
11.5.36.2 Removing the Power Supply Cooling Fan 1 (FM11)........................................................................................................11- 47
11.5.37 Power Supply Cooling Fan 2 ...........................................................................................................................11- 48
11.5.37.1 Removing the Power Supply Cooling Fan 2 (FM12)........................................................................................................11- 48
11.5.37.2 Removing the Power Supply Cooling Fan 2 (FM12)........................................................................................................11- 48
11.5.38 Separation Fan ................................................................................................................................................11- 48
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Contents
11.5.38.1 Removing the Separation Fan (FM13).............................................................................................................................11- 48
11.5.38.2 Removing the Separation Fan (FM13).............................................................................................................................11- 49
11.5.39 Developing Fan................................................................................................................................................11- 49
11.5.39.1 Removing the Developing Fan (FM15) ............................................................................................................................11- 49
11.5.39.2 Removing the Developing Fan (FM15) ............................................................................................................................11- 50
11.5.40 Delivery Anti-Adhesion Fan..............................................................................................................................11- 50
11.5.40.1 Removing the Delivery Anti-Adhesion Fan (FM17).......................................................................................................... 11- 50
11.5.40.2 Removing the Delivery Anti-Adhesion Fan (FM17).......................................................................................................... 11- 50
11.5.41 Duplex Feed Fan..............................................................................................................................................11- 51
11.5.41.1 Removing the Duplex Feed Fan (FM19).......................................................................................................................... 11- 51
11.5.42 Separation Heat Discharge Fan.......................................................................................................................11- 51
11.5.42.1 Removing the Separation Heat Discharge Fan (FM20) ...................................................................................................11- 51
11.5.43 LCD Panel........................................................................................................................................................11- 51
11.5.43.1 Removing the LCD Panel.................................................................................................................................................11- 51
11.5.43.2 Removing the LCD Panel.................................................................................................................................................11- 51
11.5.43.3 Removing the LCD Panel.................................................................................................................................................11- 52
Chapter 12 MEAP
12.1 MEAP .....................................................................................................................................................12- 1
12.1.1 Overview..............................................................................................................................................................12- 1
12.1.2 MEAP Counter.....................................................................................................................................................12- 1
12.1.3 Construction of the MEAP Platform .....................................................................................................................12- 1
Chapter 13 Maintenance and Inspection
13.1 Periodically Replaced Parts....................................................................................................................13- 1
13.1.1 Overview..............................................................................................................................................................13- 1
13.1.2 Overview..............................................................................................................................................................13- 1
13.1.3 Main Body............................................................................................................................................................13- 1
13.1.4 Main body.............................................................................................................................................................13- 2
13.1.5 Main body.............................................................................................................................................................13- 3
13.2 Durables and Consumables ...................................................................................................................13- 6
13.2.1 Overview..............................................................................................................................................................13- 6
13.2.2 Overview..............................................................................................................................................................13- 6
13.2.3 Main Body............................................................................................................................................................13- 6
13.2.4 Main body.............................................................................................................................................................13- 8
13.2.5 Main body...........................................................................................................................................................13- 11
13.2.6 Main body...........................................................................................................................................................13- 13
13.2.7 Side Paper Deck................................................................................................................................................13- 16
13.2.8 Side Paper Deck................................................................................................................................................13- 17
13.3 Scheduled Servicing Basic Procedure .................................................................................................13- 19
13.3.1 Scheduled Service Chart ...................................................................................................................................13- 19
13.3.2 Scheduled Service Chart ...................................................................................................................................13- 20
13.3.3 Scheduled Service Chart ...................................................................................................................................13- 23
13.3.4 Scheduled Service Chart ...................................................................................................................................13- 25
13.3.5 Scheduled Service Items ...................................................................................................................................13- 28
13.3.6 Scheduled Service Items ...................................................................................................................................13- 30
13.3.7 Scheduled Service Items ...................................................................................................................................13- 32
13.3.8 Scheduled Service Items ...................................................................................................................................13- 34
13.3.9 Scheduled Service Work....................................................................................................................................13- 36
13.3.10 Scheduled Maintenance Work Procedure........................................................................................................13- 41
13.3.11 Scheduled Maintenance Work Procedure........................................................................................................13- 45
13.3.12 Points to Note for Scheduled Servicing Work ..................................................................................................13- 49
13.3.13 Point to Note on Scheduled Servicing..............................................................................................................13- 51
13.3.14 Point to Note on Scheduled Servicing..............................................................................................................13- 53
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Contents
Chapter 14 Standards and Adjustments
14.1 Image Adjustment Basic Procedure........................................................................................................14- 1
14.1.1 Making Pre-Checks .............................................................................................................................................14- 1
14.1.2 Making Pre-Checks .............................................................................................................................................14- 1
14.1.3 Making Checks on the Printer Side (Checking the Images)................................................................................14- 2
14.1.4 Making Checks on the Printer Side (Checking the Density Slope)......................................................................14- 2
14.1.5 Making Checks on the Printer Side (Checking the Solid Black Density).............................................................14- 3
14.1.6 Making Checks on the Printer Side (Checking for fogging).................................................................................14- 4
14.1.7 Making Checks on the Printer Side (Checking Halftone Density)........................................................................14- 5
14.1.8 Making Checks on the Scanner Side (Initial Checks)..........................................................................................14- 6
14.1.9 Making Checks on the Scanner Side (Checking the Density Slope)...................................................................14- 6
14.1.10 Making Checks on the Scanner Side (Checking the Density Slope) .................................................................14- 7
14.1.11 Making Checks on the Scanner Side (Checking for fogging) ............................................................................14- 7
14.1.12 Making Checks on the Scanner Side(Checking Halftone Density)....................................................................14-8
14.1.13 Making Checks on the Scanner Side(Initial Checks).........................................................................................14- 9
14.1.14 Making Checks on the Scanner Side(Checking the Density Slope)..................................................................14- 9
14.1.15 Making Checks on the Scanner Side(Checking the Solid Black).......................................................................14- 9
14.1.16 Making Checks on the Scanner Side(Checking for fogging) ...........................................................................14- 10
14.1.17 Making Checks on the Scanner Side(Checking Halftone Density)..................................................................14- 11
14.1.18 Potential Control System Conversion Table....................................................................................................14- 12
14.2 Image Adjustments...............................................................................................................................14- 15
14.2.1 Overview............................................................................................................................................................14- 15
14.2.2 Outline ...............................................................................................................................................................14- 15
14.2.3 Conversion Table for the Potential Control System...........................................................................................14- 15
14.2.4 Adjusting the Image Position for Printer Output.................................................................................................14- 18
14.2.5 Adjusting the Image Position for Printer Output.................................................................................................14- 19
14.2.6 Adjusting the Image Position of Copier Output (book mode).............................................................................14- 21
14.2.7 Adjusting the Image Position for Copier Output (book mode) ...........................................................................14- 22
14.2.8 Adjusting the Image Position of Copier Output (ADF mode).............................................................................14- 23
14.2.9 Adjusting the Image Position for Copier Output (ADF mode)............................................................................14- 23
14.3 Scanning System..................................................................................................................................14- 25
14.3.1 When Replacing the CCD Unit..........................................................................................................................14- 25
14.3.2 Points to Note when Replacing the CCD Unit ...................................................................................................14- 25
14.3.3 Points to Note when Replacing the CCD Unit ...................................................................................................14- 25
14.3.4 When Replacing the Standard White Plate .......................................................................................................14- 26
14.3.5 When Replacing the Standard White Plate .......................................................................................................14- 26
14.3.6 When Replacing the Scanning Lamp ................................................................................................................14- 26
14.3.7 When Replacing the Scanning Lamp ................................................................................................................14- 26
14.3.8 After Replacing the Scanning Lamp..................................................................................................................14- 26
14.3.9 Points to Note When Replacing the reader controller PCB...............................................................................14- 27
14.3.10 When Replacing the Reader Controller PCB...................................................................................................14- 27
14.3.11 When Replacing the Reder controller PCB......................................................................................................14- 27
14.4 Laser Exposure System........................................................................................................................14- 28
14.4.1 Points to Note When Replacing the Laser Unit .................................................................................................14- 28
14.4.2 When Replacing the Laser Unit.........................................................................................................................14- 28
14.4.3 Checking the Laser Power.................................................................................................................................14- 28
14.4.4 Checking the Laser Power.................................................................................................................................14- 29
14.4.5 Checking the Laser Power.................................................................................................................................14- 29
14.5 Image Formation System......................................................................................................................14- 31
14.5.1 Adjusting the Height of the Charging Wire.........................................................................................................14- 31
14.6 Fixing System .......................................................................................................................................14- 32
14.6.1 Adjusting the Lower Roller Pressure (nip).........................................................................................................14- 32
14.6.2 Adjusting the Lower Roller Pressure (nip).........................................................................................................14- 32
14.7 Electrical Components..........................................................................................................................14- 33
14.7.1 Electrical Parts Requiring Work After Replacement ..........................................................................................14- 33
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