Ricoh B039 User manual

001129MIU
SERVICE MANUAL
B039/B040/B043/B120
RICOH GROUP COMPANIES
®
®
®

SERVICE MANUAL
B039/B040/B043/B120
RICOH GROUP COMPANIES

B039/B040/B043/B120
SERVICE MANUAL
001129MIU

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Corporation and its member companies.
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PERMISSION OF RICOH CORPORATION.
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2001 RICOH Corporation. All rights reserved.

LEGEND
COMPANYPRODUCT CODE
GESTETNER LANIER RICOH SAVIN
B039 1502 5515 Aficio 1015 2515
B040 1802 5518 Aficio 1018 2518
B043 1802d 5518D Aficio 1018D 2518d
B120 (RLA only) 1312 LD013 Aficio 1113 -
DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
* 06/01 Original Printing
1 06/03 B120 (RLA only)

SM i B039/B040/B043
B039/B040/B043
TABLE OF CONTENTS
INSTALLATION
1 INSTALLATION ........................................................................... 1-1
1.1 INSTALLATION REQUIREMENTS...........................................................1-1
1.1.1 ENVIRONMENT...............................................................................1-1
1.1.2 MACHINE LEVEL.............................................................................1-2
1.1.3 MINIMUM SPACE REQUIREMENTS...............................................1-3
1.1.4 POWER REQUIREMENTS..............................................................1-3
1.2 COPIER INSTALLATION ..........................................................................1-4
1.2.1 POWER SOCKETS FOR PERIPHERALS .......................................1-4
1.2.2 ACCESSORY CHECK......................................................................1-4
1.2.3 INSTALLATION PROCEDURE ........................................................1-5
1.3 PLATEN COVER INSTALLATION ............................................................1-8
1.3.1 ACCESSORY CHECK......................................................................1-8
1.3.2 INSTALLATION PROCEDURE ........................................................1-8
1.4 ARDF INSTALLATION..............................................................................1-9
1.4.1 ACCESSORY CHECK......................................................................1-9
1.4.2 INSTALLATION PROCEDURE ........................................................1-9
1.5 ADF INSTALLATION...............................................................................1-11
1.5.1 ACCESSORY CHECK....................................................................1-11
1.5.2 INSTALLATION PROCEDURE ......................................................1-11
1.6 TWO-TRAY PAPER TRAY UNIT INSTALLATION..................................1-13
1.6.1 ACCESSORY CHECK....................................................................1-13
1.6.2 INSTALLATION PROCEDURE ......................................................1-13
1.7 ONE-TRAY PAPER TRAY UNIT INSTALLATION...................................1-16
1.7.1 ACCESSORY CHECK....................................................................1-16
1.7.2 INSTALLATION PROCEDURE ......................................................1-16
1.8 IMB INSTALLATION................................................................................1-19
1.8.1 ACCESSORY CHECK....................................................................1-19
1.8.2 INSTALLATION PROCEDURE ......................................................1-19
1.9 DRAM INSTALLATION ...........................................................................1-20
1.10 ANTI-CONDENSATION HEATER INSTALLATION ..............................1-21
1.11 TRAY HEATERS...................................................................................1-22
1.11.1 UPPER TRAY HEATER...............................................................1-22
1.11.2 LOWER TRAY HEATER (TWO-TRAY MODEL ONLY)................1-23
1.11.3 TRAY HEATERS FOR THE OPTIONAL PAPER FEED UNITS...1-24
1.12 KEY COUNTER INSTALLATION..........................................................1-27
PREVENTIVE MAINTENANCE
2 PREVENTIVE MAINTENANCE ................................................... 2-1
2.1 PM TABLES ..............................................................................................2-1
2.2 HOW TO CLEAR THE PM COUNTER......................................................2-3

B039/B040/B043 ii SM
REPLACEMENT AND ADJUSTMENT
3 REPLACEMENT AND ADJUSTMENT......................................... 3-1
3.1 GENERAL CAUTIONS..............................................................................3-1
3.1.1 PCU (PHOTOCONDUCTOR UNIT) .................................................3-1
3.1.2 TRANSFER ROLLER.......................................................................3-1
3.1.3 SCANNER UNIT...............................................................................3-1
3.1.4 LASER UNIT ....................................................................................3-2
3.1.5 FUSING UNIT...................................................................................3-2
3.1.6 PAPER FEED...................................................................................3-2
3.1.7 IMPORTANT ....................................................................................3-2
3.2 SPECIAL TOOLS AND LUBRICANTS......................................................3-2
3.3 EXTERIOR COVERS & OPERATION PANEL..........................................3-3
3.3.1 REAR COVER..................................................................................3-3
3.3.2 REAR LOWER COVER (TWO-TRAY MODELS ONLY)...................3-3
3.3.3 COPY TRAY.....................................................................................3-4
3.3.4 LEFT UPPER COVER......................................................................3-4
3.3.5 FRONT UPPER LEFT COVER AND OPERATION PANEL.............3-4
3.3.6 RIGHT UPPER COVER ...................................................................3-4
3.3.7 TOP REAR COVER..........................................................................3-4
3.3.8 LEFT COVER...................................................................................3-5
3.3.9 FRONT LONG COVER ....................................................................3-5
3.3.10 FRONT RIGHT COVER .................................................................3-6
3.3.11 RIGHT REAR COVER....................................................................3-6
3.3.12 RIGHT DOOR.................................................................................3-7
3.3.13 BY-PASS TRAY..............................................................................3-8
3.3.14 LEFT LOWER COVER (TWO-TRAY MODELS ONLY)..................3-9
3.3.15 RIGHT LOWER COVER (TWO-TRAY MODELS ONLY) ...............3-9
3.3.16 PLATEN COVER SENSOR............................................................3-9
3.4 SCANNER SECTION..............................................................................3-10
3.4.1 EXPOSURE GLASS/DF EXPOSURE GLASS...............................3-10
Exposure Glass ..................................................................................3-10
DF Exposure Glass.............................................................................3-10
3.4.2 LENS BLOCK.................................................................................3-11
3.4.3 EXPOSURE LAMP, LAMP STABILIZER BOARD..........................3-11
3.4.4 ORIGINAL WIDTH SENSOR..........................................................3-12
3.4.5 ORIGINAL LENGTH SENSOR.......................................................3-12
Sensor Positions.................................................................................3-12
3.4.6 CHANGING THE ORIGINAL SENSOR POSITIONS (8K/16K) ......3-13
Procedure...........................................................................................3-14
3.4.7 SCANNER MOTOR........................................................................3-15
3.4.8 SCANNER H.P. SENSOR..............................................................3-15
3.4.9 ADJUSTMENT OF 2ND SCANNER POSITION.............................3-16
3.4.10 ADJUSTMENT OF 1ST AND 2ND SCANNER ALIGNMENT.......3-17
3.5 LASER UNIT ...........................................................................................3-18
3.5.1 LOCATION OF “CAUTION” DECAL...............................................3-18
3.5.2 TONER SHIELD GLASS................................................................3-19
3.5.3 LASER UNIT ..................................................................................3-19

SM iii B039/B040/B043
3.5.4 LD UNIT..........................................................................................3-20
3.5.5 POLYGONAL MIRROR MOTOR....................................................3-20
3.5.6 LASER UNIT ALIGNMENT ADJUSTMENT....................................3-21
3.6 PCU SECTION........................................................................................3-22
3.6.1 PCU................................................................................................3-22
3.6.2 PICK-OFF PAWLS .........................................................................3-22
3.6.3 TONER DENSITY SENSOR ..........................................................3-22
3.6.4 OPC DRUM....................................................................................3-23
3.6.5 CHARGE ROLLER AND CLEANING BRUSH................................3-24
3.6.6 CLEANING BLADE.........................................................................3-24
3.6.7 DEVELOPER..................................................................................3-25
3.6.8 AFTER REPLACEMENT OR ADJUSTMENT.................................3-26
3.7 TONER SUPPLY MOTOR ......................................................................3-27
3.8 PAPER FEED SECTION.........................................................................3-28
3.8.1 PAPER FEED ROLLER..................................................................3-28
3.8.2 FRICTION PAD ..............................................................................3-28
3.8.3 PAPER END SENSOR...................................................................3-28
3.8.4 EXIT SENSOR ...............................................................................3-29
Non-duplex Models.............................................................................3-29
Duplex Models....................................................................................3-29
3.8.5 BY-PASS FEED ROLLER AND
BY-PASS PAPER END SENSOR..................................................3-30
3.8.6 REGISTRATION ROLLER .............................................................3-31
3.8.7 BY-PASS PAPER SIZE SENSOR..................................................3-32
3.8.8 REGISTRATION CLUTCH.............................................................3-32
3.8.9 REGISTRATION SENSOR.............................................................3-33
3.8.10 UPPER PAPER FEED CLUTCH AND
BY-PASS FEED CLUTCH............................................................3-33
3.8.11 RELAY CLUTCH ..........................................................................3-34
3.8.12 RELAY SENSOR..........................................................................3-34
3.8.13 LOWER PAPER FEED CLUTCH
(TWO-TRAY MODELS ONLY) .....................................................3-34
3.8.14 VERTICAL TRANSPORT SENSOR
(TWO-TRAY MODELS ONLY) .....................................................3-35
3.8.15 PAPER SIZE SWITCH .................................................................3-35
3.9 IMAGE TRANSFER.................................................................................3-36
3.9.1 IMAGE TRANSFER ROLLER ........................................................3-36
3.9.2 IMAGE DENSITY SENSOR ...........................................................3-36
3.10 FUSING.................................................................................................3-37
3.10.1 FUSING UNIT...............................................................................3-37
3.10.2 THERMISTOR..............................................................................3-37
3.10.3 FUSING LAMP.............................................................................3-38
3.10.4 HOT ROLLER...............................................................................3-38
3.10.5 THERMOFUSE AND THERMOSTAT ..........................................3-39
3.10.6 HOT ROLLER STRIPPER PAWLS ..............................................3-39
3.10.7 PRESSURE ROLLER AND BUSHINGS ......................................3-40
3.10.8 NIP BAND WIDTH ADJUSTMENT...............................................3-41
3.11 DUPLEX UNIT (DUPLEX MODELS ONLY) ..........................................3-42
3.11.1 DUPLEX EXIT SENSOR..............................................................3-42

B039/B040/B043 iv SM
3.11.2 DUPLEX ENTRANCE SENSOR .................................................. 3-42
3.11.3 DUPLEX INVERTER SENSOR.................................................... 3-42
3.11.4 DUPLEX TRANSPORT MOTOR ................................................. 3-43
3.11.5 DUPLEX INVERTER MOTOR ..................................................... 3-43
3.11.6 DUPLEX CONTROL BOARD....................................................... 3-43
3.12 OTHER REPLACEMENTS ................................................................... 3-44
3.12.1 QUENCHING LAMP..................................................................... 3-44
3.12.2 HIGH-VOLTAGE POWER SUPPLY BOARD............................... 3-44
3.12.3 IMB (MEMORY BOARD).............................................................. 3-45
3.12.4 BICU (BASE-ENGINE IMAGE CONTROL UNIT) ........................ 3-45
3.12.5 IOB (I/O BOARD) ......................................................................... 3-46
3.12.6 MAIN MOTOR.............................................................................. 3-46
3.12.7 REAR EXHAUST FAN ................................................................. 3-46
3.12.8 LEFT EXHAUST FAN .................................................................. 3-47
3.12.9 PSU (POWER SUPPLY UNIT) .................................................... 3-47
3.12.10 GEARBOX ................................................................................. 3-48
Replacement Procedure..................................................................... 3-48
Gear Arrangement Within the Gearbox .............................................. 3-49
3.13 COPY ADJUSTMENTS: PRINTING/SCANNING.................................. 3-50
3.13.1 PRINTING .................................................................................... 3-50
Registration - Leading Edge/Side-to-Side .......................................... 3-50
Blank Margin ...................................................................................... 3-51
Main Scan Magnification .................................................................... 3-51
3.13.2 SCANNING .................................................................................. 3-52
Registration: Platen Mode .................................................................. 3-52
Magnification ...................................................................................... 3-53
Standard White Density Adjustment................................................... 3-54
3.13.3 ADF IMAGE ADJUSTMENT ........................................................ 3-55
Registration and Blank Margin ........................................................... 3-55
Sub-scan Magnification ...................................................................... 3-55
TROUBLESHOOTING
4 TROUBLESHOOTING ................................................................. 4-1
4.1 SERVICE CALL CONDITIONS................................................................. 4-1
4.1.1 SUMMARY....................................................................................... 4-1
4.1.2 SC CODE DESCRIPTIONS ............................................................. 4-2
4.2 ELECTRICAL COMPONENT DEFECTS .................................................. 4-8
4.2.1 SENSORS........................................................................................ 4-8
4.2.2 SWITCHES ...................................................................................... 4-9
4.3 BLOWN FUSE CONDITIONS ................................................................. 4-10
4.4 LED DISPLAY......................................................................................... 4-10
4.4.1 BICU............................................................................................... 4-10
4.4.2 IOB................................................................................................. 4-10
4.5 FIRMWARE MODIFICATION HISTORY…………………………………...4-11
SERVICE TABLES
5 SERVICE TABLES....................................................................... 5-1
Rev. 03/2002

SM v B039/B040/B043
5.1 USING SERVICE PROGRAM MODES.....................................................5-1
Accessing SP Modes............................................................................5-1
Accessing Copy Mode from within an SP Mode...................................5-1
How to Select a Program Number........................................................5-2
To Input a Value or Setting for an SP Mode .........................................5-2
5.1.1 SP MODE TABLES ..........................................................................5-3
SP1-XXX (Feed)...................................................................................5-3
SP2-XXX (Drum)...................................................................................5-6
SP4-XXX (Scanner)............................................................................5-11
SP5-XXX (Mode) ................................................................................5-17
SP6-XXX (Peripherals).......................................................................5-24
SP7-XXX (Data Log)...........................................................................5-26
5.1.2 TEST PATTERN PRINTING (SP5-902) .........................................5-31
5.1.3 INPUT CHECK (SP5-803)..............................................................5-32
5.1.4 OUTPUT CHECK (SP5-804)..........................................................5-36
Output Check Table............................................................................5-36
5.1.5 COPY JAM HISTORY (SP7-903)...................................................5-37
5.1.6 SMC PRINTING (SP5-992)............................................................5-38
5.1.7 ORIGINAL JAM HISTORY DISPLAY (SP7-905)............................5-38
5.1.8 MEMORY ALL CLEAR (SP5-801)..................................................5-39
Using a Flash Memory Card ...............................................................5-39
Without Using a Flash Memory Card..................................................5-40
5.1.9 PROGRAM UPLOAD/DOWNLOAD ...............................................5-41
Program Download (SP5-827)............................................................5-41
Program Upload (SP5-826) ................................................................5-42
5.1.10 NVRAM DATA UPLOAD/DOWNLOAD ........................................5-43
NVRAM Data Download (SP5-825)....................................................5-43
NVRAM Data Upload (SP5-824).........................................................5-44
5.1.11 APS AND PLATEN/ADF COVER SENSOR
OUTPUT DISPLAY (SP4-301) .....................................................5-45
5.1.12 ADF APS SENSOR OUTPUT DISPLAY (SP6-901).....................5-46
5.1.13 SERIAL NUMBER INPUT (SP5-811)...........................................5-47
5.1.14 ID SENSOR ERROR ANALYSIS (SP2-221)................................5-48
5.2 USER TOOLS .........................................................................................5-49
5.2.1 HOW TO ENTER AND EXIT USER TOOLS..................................5-49
5.2.2 USER TOOLS TABLE....................................................................5-49
System Setting Table..........................................................................5-49
Copy Features Table ..........................................................................5-50
DETAILED SECTION DESCRIPTIONS
6 DETAILED SECTION DESCRIPTIONS ....................................... 6-1
6.1 OVERVIEW...............................................................................................6-1
6.1.1 COMPONENT LAYOUT...................................................................6-1
6.1.2 PAPER PATH...................................................................................6-3
6.1.3 DRIVE LAYOUT ...............................................................................6-4
6.2 BOARD STRUCTURE...............................................................................6-5
6.2.1 BLOCK DIAGRAM............................................................................6-5

B039/B040/B043 vi SM
1. BiCU (Base Engine and Image Control Unit)....................................6-6
2. IOB (I/O Board).................................................................................6-6
3. SBU (Sensor Board Unit)..................................................................6-6
4. IMB (IMAC and Memory Board)........................................................6-6
6.3 COPY PROCESS OVERVIEW .................................................................6-7
6.4 SCANNING................................................................................................6-9
6.4.1 OVERVIEW ......................................................................................6-9
Lamp Stabilizer Fuse............................................................................6-9
6.4.2 SCANNER DRIVE..........................................................................6-10
6.4.3 ORIGINAL SIZE DETECTION IN PLATEN MODE.........................6-11
6.5 IMAGE PROCESSING............................................................................6-13
6.5.1 OVERVIEW ....................................................................................6-13
6.5.2 SBU (SENSOR BOARD UNIT).......................................................6-14
6.5.3 AUTO IMAGE DENSITY (ADS)......................................................6-15
In the SBU ..........................................................................................6-15
In the IPU............................................................................................6-15
By Original Type .................................................................................6-15
6.5.4 IPU (IMAGE PROCESSING UNIT).................................................6-16
Overview.............................................................................................6-16
Image Processing Modes ...................................................................6-17
Image Processing Path.......................................................................6-18
Original Modes....................................................................................6-19
SP Modes for Each Image Processing Step.......................................6-19
Auto Shading......................................................................................6-21
White Line Erase ................................................................................6-22
Black Line Erase.................................................................................6-22
Scanner Gamma (γ) Correction ..........................................................6-23
Main Scan Magnification.....................................................................6-24
Mirroring for ADF Mode ......................................................................6-24
Filtering...............................................................................................6-25
ID Gamma (γ) Correction....................................................................6-26
Gradation Processing .........................................................................6-27
6.5.5 IMB (MEMORY CONTROLLER AND DRAM)................................6-28
6.5.6 VIDEO CONTROL UNIT (VCU)......................................................6-29
Fine Character and Image (FCI).........................................................6-29
Printer Gamma Correction..................................................................6-29
6.6 LASER EXPOSURE................................................................................6-30
6.6.1 OVERVIEW ....................................................................................6-30
6.6.2 AUTO POWER CONTROL (APC)..................................................6-31
6.6.3 LD SAFETY SWITCH.....................................................................6-32
6.7 PHOTOCONDUCTOR UNIT (PCU)........................................................6-33
6.7.1 OVERVIEW ....................................................................................6-33
6.7.2 DRIVE.............................................................................................6-34
6.8 DRUM CHARGE .....................................................................................6-35
6.8.1 OVERVIEW ....................................................................................6-35
6.8.2 CHARGE ROLLER VOLTAGE CORRECTION..............................6-36
Correction for Environmental Conditions ............................................6-36
6.8.3 ID SENSOR PATTERN PRODUCTION TIMING............................6-37
6.8.4 DRUM CHARGE ROLLER CLEANING..........................................6-38

SM vii B039/B040/B043
6.9 DEVELOPMENT .....................................................................................6-39
6.9.1 OVERVIEW ....................................................................................6-39
6.9.2 DRIVE.............................................................................................6-40
6.9.3 DEVELOPER MIXING....................................................................6-40
6.9.4 DEVELOPMENT BIAS ...................................................................6-41
6.9.5 TONER SUPPLY............................................................................6-42
Toner Bottle Replenishment Mechanism............................................6-42
Toner Supply Mechanism...................................................................6-43
6.9.6 TONER DENSITY CONTROL........................................................6-44
Overview.............................................................................................6-44
Toner Density Sensor Initial Setting....................................................6-46
Toner Concentration Measurement ....................................................6-46
Vsp/Vsg Detection ..............................................................................6-46
Toner Supply Reference Voltage (Vref) Determination.......................6-46
Toner Supply Determination...............................................................6-46
Toner Supply Motor On Time Determinations.....................................6-47
6.9.7 TONER SUPPLY IN ABNORMAL SENSOR CONDITIONS...........6-48
ID Sensor............................................................................................6-48
TD Sensor...........................................................................................6-48
6.9.8 TONER NEAR END/END DETECTION AND RECOVERY............6-49
Toner Near End Detection..................................................................6-49
Toner Near End Recovery..................................................................6-49
Toner End Detection...........................................................................6-49
Toner End Recovery...........................................................................6-49
6.10 DRUM CLEANING AND TONER RECYCLING.....................................6-50
6.10.1 DRUM CLEANING........................................................................6-50
6.10.2 TONER RECYCLING...................................................................6-50
6.11 PAPER FEED........................................................................................6-51
6.11.1 OVERVIEW ..................................................................................6-51
6.11.2 PAPER FEED DRIVE MECHANISM............................................6-52
6.11.3 PAPER FEED AND SEPARATION MECHANISM........................6-52
6.11.4 PAPER LIFT MECHANISM..........................................................6-53
6.11.5 PAPER END DETECTION...........................................................6-53
6.11.6 PAPER SIZE DETECTION...........................................................6-54
Paper Tray..........................................................................................6-54
By-pass Tray.......................................................................................6-55
6.11.7 SIDE FENCES..............................................................................6-56
6.11.8 PAPER REGISTRATION..............................................................6-56
6.12 IMAGE TRANSFER AND PAPER SEPARATION.................................6-57
6.12.1 OVERVIEW ..................................................................................6-57
6.12.2 IMAGE TRANSFER CURRENT TIMING......................................6-58
6.12.3 TRANSFER ROLLER CLEANING................................................6-59
6.12.4 PAPER SEPARATION MECHANISM...........................................6-59
6.13 IMAGE FUSING AND PAPER EXIT......................................................6-60
6.13.1 OVERVIEW ..................................................................................6-60
6.13.2 FUSING DRIVE AND RELEASE MECHANISM...........................6-60
6.13.3 FUSING ENTRANCE GUIDE SHIFT............................................6-61
6.13.4 PRESSURE ROLLER...................................................................6-61
6.13.5 FUSING TEMPERATURE CONTROL..........................................6-62

B039/B040/B043 viii SM
Overview ............................................................................................ 6-62
Fusing Lamp Control .......................................................................... 6-64
Fusing Temperature Control for Thick Paper at the By-pass Tray ..... 6-65
Pre-heat Mode (Fusing Idling) ............................................................ 6-65
To Prevent Offset when Making Multiple Copies
on Small-width Paper ......................................................................... 6-65
Reduced Copy Speed with Narrow Paper .......................................... 6-65
6.13.6 OVERHEAT PROTECTION ......................................................... 6-66
6.14 DUPLEX UNIT ...................................................................................... 6-67
6.14.1 OVERALL..................................................................................... 6-67
6.14.2 DRIVE MECHANISM ................................................................... 6-68
6.14.3 BASIC OPERATION .................................................................... 6-69
Larger than A4 Short-edge/LT Short-edge ......................................... 6-69
Up to A4 Short-edge/LT Short-edge................................................... 6-70
6.14.4 FEED IN AND EXIT MECHANISM............................................... 6-71
6.15 ENERGY SAVER MODES.................................................................... 6-72
6.15.1 OVERVIEW.................................................................................. 6-72
6.15.2 LOW POWER MODE................................................................... 6-73
Entering Low Power Mode ................................................................. 6-73
What Happens in Low Power Mode ................................................... 6-73
Returning to Stand-by Mode............................................................... 6-74
6.15.3 NIGHT/OFF MODE ...................................................................... 6-74
Entering Night/Off Mode..................................................................... 6-74
What Happens in Night/Off Mode....................................................... 6-75
Returning to Stand-by Mode............................................................... 6-75
AUTO REVERSE DOCUMENT FEEDER B379
1 OVERALL MACHINE INFORMATION ......................................... 7-1
1.1 MECHANICAL COMPONENT LAYOUT ................................................... 7-1
1.2 ELECTRICAL COMPONENT LAYOUT .................................................... 7-2
1.3 DRIVE LAYOUT........................................................................................ 7-3
2 DETAILED SECTION DESCRIPTIONS........................................ 7-4
2.1 ORIGINAL SIZE DETECTION .................................................................. 7-4
2.2 PICK-UP AND SEPARATION................................................................... 7-6
2.3 ORIGINAL TRANSPORT AND EXIT ........................................................ 7-7
2.3.1 SINGLE-SIDED ORIGINALS ........................................................... 7-7
2.3.2 DOUBLE-SIDED ORIGINALS.......................................................... 7-8
2.3.3 ORIGINAL TRAILING EDGE SENSOR ........................................... 7-9
2.4 STAMP.................................................................................................... 7-10
2.5 TIMING CHARTS.................................................................................... 7-11
2.5.1 SINGLE-SIDED ORIGINAL MODE (A3) ........................................ 7-11
2.5.2 SINGLE-SIDED ORIGINAL MODE (A3, STAMP MODE) .............. 7-12
2.5.3 DOUBLE-SIDED ORIGINAL MODE .............................................. 7-13
2.5.4 DOUBLE-SIDED ORIGINAL MODE (STAMP MODE) ................... 7-14
2.6 JAM DETECTION ................................................................................... 7-15
Rev. 03/2002

SM ix B039/B040/B043
2.7 OVERALL ELECTRICAL CIRCUIT .........................................................7-16
2.8 FREE RUN..............................................................................................7-17
Procedure...........................................................................................7-17
One-sided Free Run Process .............................................................7-17
Two-sided Free Run Process .............................................................7-17
3 REPLACEMENT AND ADJUSTMENT....................................... 7-18
3.1 DF EXIT TABLE AND COVER................................................................7-18
3.2 ORIGINAL FEED UNIT ...........................................................................7-19
3.3 LEFT COVER..........................................................................................7-20
3.4 PICK-UP ROLLER...................................................................................7-21
3.5 FEED BELT.............................................................................................7-22
3.6 SEPARATION ROLLER..........................................................................7-23
3.7 ORIGINAL SET/ORIGINAL REVERSE SENSORS.................................7-24
3.8 ORIGINAL L/W SENSOR, TRAILING EDGE SENSOR..........................7-25
3.9 FEED CLUTCH, PICK-UP SOL, TRANSPORT MOTOR,
FEED MOTOR.........................................................................................7-26
Exterior ...............................................................................................7-26
DF Feed Clutch...................................................................................7-26
Pick-up Solenoid.................................................................................7-26
Transport Motor..................................................................................7-26
DF Feed Motor....................................................................................7-26
3.10 REGISTRATION SENSOR....................................................................7-27
3.11 STAMP SOLENOID AND ORIGINAL EXIT SENSOR...........................7-28
DOCUMENT FEEDER B387
1 OVERALL INFORMATION .......................................................... 8-1
1.1 MECHANICAL COMPONENT LAYOUT ...................................................8-1
1.2 ELECTRICAL COMPONENT LAYOUT.....................................................8-2
1.3 DRIVE LAYOUT........................................................................................8-3
2 DETAILED SECTION DESCRIPTIONS ....................................... 8-4
2.1 ORIGINAL SIZE DETECTION...................................................................8-4
2.2 PICK-UP AND SEPARATION ...................................................................8-6
2.3 ORIGINAL TRANSPORT AND EXIT MECHANISM..................................8-7
2.4 STAMP......................................................................................................8-8
2.5 TIMING CHARTS......................................................................................8-9
2.5.1 A3.....................................................................................................8-9
2.5.2 A3, STAMP MODE.........................................................................8-10
2.6 JAM DETECTION....................................................................................8-11
2.7 OVERALL ELECTRICAL CIRCUIT .........................................................8-12
2.8 FREE RUN..............................................................................................8-13
Procedure...........................................................................................8-13
Free Run Process...............................................................................8-13

B039/B040/B043 x SM
3 REPLACEMENT AND ADJUSTMENT....................................... 8-14
3.1 EXTERIOR COVERS..............................................................................8-14
3.1.1 REAR COVER................................................................................8-14
3.1.2 ORIGINAL TABLE..........................................................................8-14
3.1.3 FRONT COVER .............................................................................8-14
3.1.4 ORIGINAL ENTRANCE GUIDE .....................................................8-14
3.1.5 DF FEED COVER...........................................................................8-15
3.2 FEED UNIT..............................................................................................8-15
3.3 SEPARATION ROLLER..........................................................................8-15
3.4 PICK-UP ROLLER...................................................................................8-16
3.5 FEED BELT.............................................................................................8-16
3.6 ORIGINAL SENSORS (WIDTH, LENGTH, TRAILING EDGE)................8-17
3.7 ORIGINAL SET SENSOR.......................................................................8-18
3.8 TRANSPORT MOTOR............................................................................8-18
3.9 DF COVER OPEN SENSOR/FEED CLUTCH/ROM/
DF DRIVE BOARD..................................................................................8-19
Exterior ...............................................................................................8-19
Feed Cover Open Sensor...................................................................8-19
Feed Clutch ........................................................................................8-19
ROM ...................................................................................................8-19
DF Drive Board...................................................................................8-19
3.10 REGISTRATION SENSOR....................................................................8-21
3.11 PICK-UP SOLENOID ............................................................................8-21
3.12 STAMP SOLENOID...............................................................................8-22
PAPER TRAY UNIT B384
1 OVERALL MACHINE INFORMATION......................................... 9-1
1.1 MECHANICAL COMPONENT LAYOUT ...................................................9-1
1.2 ELECTRICAL COMPONENT LAYOUT.....................................................9-2
1.3 DRIVE LAYOUT........................................................................................9-3
2 DETAILED DESCRIPTIONS........................................................ 9-4
2.1 PAPER FEED AND SEPARATION MECHANISM ....................................9-4
2.2 PAPER LIFT MECHANISM.......................................................................9-5
2.3 PAPER END DETECTION........................................................................9-7
2.4 PAPER HEIGHT DETECTION..................................................................9-8
PAPER SIZE DETECTION...................................................................9-9
2.5 SIDE AND END FENCES .......................................................................9-10
Side Fences........................................................................................9-10
End Fence ..........................................................................................9-10
3 REPLACEMENT AND ADJUSTMENT....................................... 9-11
3.1 FEED ROLLER REPLACEMENT............................................................9-11
3.2 TRAY MAIN BOARD REPLACEMENT ...................................................9-12
3.3 TRAY MOTOR REPLACEMENT.............................................................9-12