Oki OKIPAGE 6e User manual

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OKIPAGE 6e/6ex
LED PAGE PRINTER
All specifications are subject to change without notice.
Service Manual
P/N 59276401

HP and LaserJet are registered trademarks of Hewlett-Packard Company.
Adobe and PostScript are trademarks of Adobe Systems Incorporated, which may be registered in
certain jurisdictions.
LocalTalk is a registered trademark of Apple Computer Inc.
Centronics is a registered trademark of Centronics Data Corporation.
OKIDATA is a registered trademark of Oki America, Inc.
OKIDATA est une marque déposée de Oki America, Inc.

Table of Contents TOC - 1 OKIPAGE 6e/6ex
Service Manual, P/N 59276401
Contents
1. CONFIGURATION...........................................................................................................1 - 1
1.1 System Configuration ..............................................................................................1 - 1
1.2 Printer Configuration...............................................................................................1 - 2
1.3 Optional Configuration............................................................................................1 - 3
1.4 Specification ............................................................................................................1 - 5
1.5 Safety Standards ......................................................................................................1 - 7
1.5.1 Certification Label.......................................................................................1 - 7
1.5.2 Warning Label .............................................................................................1 - 8
1.5.3 Warning/Caution Marking ...........................................................................1 - 9
2. OPERATION DESCRIPTION ........................................................................................2 - 1
OVERVIEW ........................................................................................................................2 - 1
OKIPAGE 6e Block Diagram (Figure 2-1) ........................................................................ 2 - 2
OKIPAGE 6ex Block Diagram (Figure 2-2) .......................................................................2 - 3
2.1 Control Board ..........................................................................................................2 - 4
Single Chip CPU .........................................................................................2 - 4
Program and Font ROM ..............................................................................2 - 4
DRAM .....................................................................................................................2 - 5
EEPROM .................................................................................................................2 - 5
Parallel Interface......................................................................................................2 - 5
2.2 PS Board (Option) ...................................................................................................2 - 6
2.3 RAM Board (OKIPAGE 6e/6ex option)..................................................................2 - 7
DRAM .........................................................................................................2 - 7
SIMM Socket...............................................................................................2 - 7
RAM Board Block Diagram (Figure 2-4) ...............................................................2 - 7
2.4 Power Supply Board................................................................................................2 - 8
Low Voltage Power Supply Circuit .............................................................2 - 8
High Voltage Power Supply Circuit ............................................................2 - 8
Photosensor..................................................................................................2 - 8
Sensor Layout Diagram (Figure 2-3).......................................................................2 - 9
Sensor Functions and StatusTable (Figure 2-5).......................................................2 - 9
2.5 Electrophotographic Process .................................................................................2 - 10
2.5.1 Electrophotographic Process Mechanism..................................................2 - 10
Electrophotographic Process Mechanism (Figure 2-6) ............................. 2 - 11
Image Drum Unit.......................................................................................2 - 12
Registration Motor....................................................................................2 - 12
Drum Motor...............................................................................................2 - 12
LED Head ..................................................................................................2 - 12
Fuser ..........................................................................................................2 - 12

Table of Contents TOC - 2 OKIPAGE 6e/6ex
Service Manual, P/N 59276401
2.5.2 Electrophotographic Process .....................................................................2 - 13
Charging ....................................................................................................2 - 13
Exposure ....................................................................................................2 - 13
Developing and Toner Recovery ...............................................................2 - 13
Transfer......................................................................................................2 - 13
Temporary Cleaning ..................................................................................2 - 13
Fusing ........................................................................................................2 - 13
Electrophotographic Printing Process Diagram (Figure 2-7) ....................2 - 14
Electrophotographic Process Timing Chart (Figure 2-8) ..........................2 - 15
2.5.3 Process Operation Descriptions.................................................................2 - 16
Hopping and Feeding ................................................................................2 - 16
Hopping .....................................................................................................2 - 17
Feeding ......................................................................................................2 - 18
Charging ....................................................................................................2 - 19
Exposure ....................................................................................................2 - 20
Developing ................................................................................................2 - 22
Transfer......................................................................................................2 - 24
Fusing 2 - 25
Cleaning.....................................................................................................2 - 26
Cleaning of rollers .....................................................................................2 - 26
2.6 Paper Jam Detection ..............................................................................................2 - 27
Paper Feed Timing Chart .......................................................................................2 - 28
Paper Feed Check List...........................................................................................2 - 29
Paper Length List ..................................................................................................2 - 29
2.7 Cover Open............................................................................................................2 - 30
Operation during Toner Low state............................................................. 2 - 31
2.8 Toner Low Detection .............................................................................................2 - 31
Device........................................................................................................2 - 31
Operation ...................................................................................................2 - 31
Operation during Toner Full state..............................................................2 - 31
TONER LOW State Diagram....................................................................2 - 32
TONER FULL StateDiagram ....................................................................2 - 32
3. PARTS REPLACEMENT ................................................................................................3 - 1
3.1 Precautions for Parts Replacement ..........................................................................3 - 1
3.2 Parts Layout.............................................................................................................3 - 3
3.3 How to Change Parts ...............................................................................................3 - 6
3.3.1 Upper Cover ................................................................................................3 - 7
3.3.2 Stacker .........................................................................................................3 - 8
3.3.3 LED Head ....................................................................................................3 - 9
3.3.4 Eject Roller Assy .......................................................................................3 - 10
3.3.5 Pulse Motor (Main) ................................................................................... 3 - 11
3.3.6 Pulse Motor (Registration) ........................................................................3 - 12
3.3.7 Lower Base Unit........................................................................................3 - 13
3.3.8 Motor Assy ................................................................................................3 - 14
3.3.9 Hopping Roller Assy .................................................................................3 - 15
3.3.10 Stacker Cover Assy....................................................................................3 - 16
3.3.11 Registration Roller.....................................................................................3 - 17

Table of Contents TOC - 3 OKIPAGE 6e/6ex
Service Manual, P/N 59276401
3.3.12 Transfer Roller...........................................................................................3 - 18
3.3.13 Fusing Unit Assy .......................................................................................3 - 19
3.3.14 Back-up Roller...........................................................................................3 - 20
3.3.15 Sensor Plate (Inlet) ....................................................................................3 - 21
3.3.16 Toner Sensor (Adhesion) ...........................................................................3 - 22
3.3.17 Sensor Plate (Outlet)..................................................................................3 - 23
3.3.18 Manual Feed Guide Assy...........................................................................3 - 24
3.3.19 Sensor Plate (Paper Supply) ......................................................................3 - 25
3.3.20 Main Control PCB .....................................................................................3 - 26
3.3.21 Power Supply Board and Contact Assy.....................................................3 - 27
3.3.22 Transformer ...............................................................................................3 - 28
3.3.23 Cassette Guide L........................................................................................3 - 29
3.3.24 Cassette Guide R .......................................................................................3 - 30
4. ADJUSTMENT..................................................................................................................4 - 1
4.1 Maintenance Utility Program (OKIPAGE 6e).........................................................4 - 1
How to Get the OKIPAGE 6e Maintenance Utility Program...................... 4 - 1
4.2 EEPROM Parameter Values Adjustments (OKIPAGE 6ex) ...................................4 - 2
4.2.1 Maintenance Modes and Functions .............................................................4 - 2
User Maintenance Mode..............................................................................4 - 2
System Maintenance Mode .........................................................................4 - 2
Engine Maintenance Mode..........................................................................4 - 3
4.3 Adjustment When Replacing a Part.........................................................................4 - 4
4.3.1 OKIPAGE6e: 300 dpi LED head.................................................................4 - 4
LED Head Drive Time Setting ....................................................................4 - 4
LED Head Luminous Energy ......................................................................4 - 4
LED Head Width Setting.............................................................................4 - 5
LED Head Type Setting...............................................................................4 - 5
Uploading/Downloading EEPROM data ....................................................4 - 6
4.3.2 OKIPAGE6ex: 600dpi LED head................................................................4 - 7
Setting of LED Head Drive Time ................................................................4 - 7
Luminous Intensity Marking Label .............................................................4 - 7
Setting of LED Head Drive Time (OKIPAGE6e) .......................................4 - 8
Luminous Intensity Marking and Drive Time Parameter Table ..................4 - 8
Procedure .....................................................................................................4 - 9
Setting of LED Head Drive Time (OKIPAGE 6ex) ..................................4 - 10
Luminous Intensity Marking and Drive Time Parameter Table ................4 - 10
Procedure ................................................................................................... 4 - 11
5. PERIODICAL MAINTENANCE ....................................................................................5 - 1
5.1 Periodical Replacement Parts ..................................................................................5 - 1
5.2 Cleaning...................................................................................................................5 - 1
5.2.1 Cleaning of LED Lens Array.......................................................................5 - 1
6. TROUBLESHOOTING PROCEDURES .......................................................................6 - 1
6.1 Troubleshooting Tips ...............................................................................................6 - 1
6.2 Check Points before Correcting Image Problems....................................................6 - 1
6.3 Tips for Correcting Image Problems .......................................................................6 - 1

Table of Contents TOC - 4 OKIPAGE 6e/6ex
Service Manual, P/N 59276401
6.4 Preparation for Troubleshooting ..............................................................................6 - 2
PC Display (OKIPAGE 6e) .....................................................................................6 - 2
Operator Panel Display (OKIPAGE 6ex) ................................................................6 - 2
6.5 Troubleshooting Flowchart......................................................................................6 - 3
6.5.1 Status Message/Trouble List........................................................................6 - 3
PC Display Messages (Table 6-1) ...............................................................6 - 4
LCD Status Messages (Table 6-2) ............................................................. 6 - 11
6.5.2 Status Message Troubleshooting ...............................................................6 - 24
1-1 The printer does not work normally after the power is turned on. ...........6 - 25
2-1 Paper Input Jam ........................................................................................6 - 27
2-2 Paper Feed Jam .........................................................................................6 - 28
2-3 Paper Exit Jam .........................................................................................6 - 30
3 Paper size error .........................................................................................6 - 31
4 Fusing Unit Error (ERROR 71) (ERROR 72) (ERROR 73) ....................6 - 32
5 Fan Error (ERROR 70) ............................................................................6 - 33
6.5.3 Image Troubleshooting ..............................................................................6 - 34
1 Images are Light or Blurred Entirely........................................................6 - 35
2 Dark Background Density ........................................................................6 - 36
3 Blank paper is output. ...............................................................................6 - 36
4 Black Vertical Belts or Stripes ..................................................................6 - 37
5 Cyclic Error...............................................................................................6 - 38
6 Print Voids.................................................................................................6 - 39
7 Poor Fusing ...............................................................................................6 - 40
8 White Vertical Belts or Streaks .................................................................6 - 41
Diagram of Contact Assembly Contact Points (Figure 6-4)..................................6 - 42
Diagram of Power Supply / Transfer Roller Contact Point (Figure 6-5)...............6 - 43
7. WIRING DIAGRAM .......................................................................................................7 - 1
7.1 Interconnect Signal Diagram ...................................................................................7 - 1
OKIPAGE 6e ...........................................................................................................7 - 1
OKIPAGE 6ex .........................................................................................................7 - 2
7.2 PCB Layout and Connector Signal List ..................................................................7 - 3
Control Board ..............................................................................................7 - 3
Power Supply Board....................................................................................7 - 4
CN1 Pin Assignment (To Fan Motor)......................................................................7 - 5
CN2 Pin Assignment (To Drum Motor) .................................................................. 7 - 5
CN3 Pin Assignment ...............................................................................................7 - 6
To Regist motor ....................................................................................................... 7 - 6
Excitation sequence .................................................................................................7 - 6
CN4 Pin Assignment ...............................................................................................7 - 7
To LED Head (OKIPAGE 6e) .................................................................................7 - 7
HEAD1 & HEAD2 Pin Assignment........................................................................7 - 8
To LED Head (OKIPAGE 6ex) ...............................................................................7 - 8
CN6 Pin Assignment ...............................................................................................7 - 9
To Option feeder ......................................................................................................7 - 9
POWER Pin Assignment (To Power Supply/Sensor Board)................................. 7 - 10
CN8 Pin Assignment (Centronics Parallel) ........................................................... 7 - 11
CN11 Pin Assignment (To Option Board).............................................................7 - 12

Table of Contents TOC - 5 OKIPAGE 6e/6ex
Service Manual, P/N 59276401
7.3 Resistance Check...................................................................................................7 - 13
7.4 Short Plug Setting..................................................................................................7 - 15
Main Control Board...............................................................................................7 - 15
Short Plug Settings ................................................................................................7 - 15
Option RAM Board (LQME-PCB) .......................................................................7 - 16
SIMM Specification ..............................................................................................7 - 17
Short Plug Setting..................................................................................................7 - 17
Added SIMM / Total Effective RAM Table ..........................................................7 - 17
8. PARTS LIST ......................................................................................................................8 - 1
8.1 General Information ................................................................................................8 - 1
Lower Base Unit (Table 8-1) 1 of 2....................................................................................8 - 3
Lower Base Unit (Table 8-1) 2 of 2...................................................................................8 - 5
Upper Cover Unit (Table 8-2) .............................................................................................8 - 7
Base Unit (Table 8-3) ..........................................................................................................8 - 9
Miscellaneous Items ..........................................................................................................8 - 10
APPENDIX A: CENTRONICS PARALLEL INTERFACE ................................................... A - 1
Connector ........................................................................................................................... A - 1
Cable A - 1
Table of Parallel Interface Signals...................................................................................... A - 2
Signal Level........................................................................................................................ A - 3
Modes A - 3
Data bit length .................................................................................................................... A - 3
Receiving Buffer................................................................................................................. A - 3
Control ................................................................................................................................ A - 3
Interface Circuit.................................................................................................................. A - 3
Timing Charts ..................................................................................................................... A - 4
Interface Parameter Setting (OKIPAGE 6ex)..................................................................... A - 6
APPENDIX B: LOCALTALK (RS422) SERIAL INTERFACE............................................. B - 1
APPENDIX C: DIAGNOSTICS TEST .....................................................................................C - 1
1. Maintenance Modes................................................................................................ C - 1
1.1 User Maintenance Mode......................................................................................... C - 1
Hex Dump .................................................................................................. C - 1
Menu Reset ................................................................................................. C - 1
Drum Counter Reset ................................................................................... C - 1
X-Adjust / Y-Adjust.................................................................................... C - 2
Operator Panel Menu Disable..................................................................... C - 2
User Maintenance Mode Menu System Flowchart ................................................ C - 2
1.2 System Maintenance Mode .................................................................................... C - 3
Page Count Display ................................................................................................ C - 3
Page Count Printing Enable/Disable ...................................................................... C - 3
Rolling ASCII Continuous Printing........................................................................ C - 3
EEPROM Reset ...................................................................................................... C - 3
Switching of Valid orIinvalid HIPER-W Emulation .............................................. C - 3
Switching of Valid or Invalid SIDM Emulation ..................................................... C - 3
System Maintenance Mode Menu System Flowchart ............................................ C - 4
1.3 Engine Maintenance Mode..................................................................................... C - 5
Head Type Setting................................................................................................... C - 5

Table of Contents TOC - 6 OKIPAGE 6e/6ex
Service Manual, P/N 59276401
Head Drive Time Setting ........................................................................................ C - 5
Head Width Setting................................................................................................. C - 5
Head Type............................................................................................................... C - 5
Strobe Time ............................................................................................................ C - 5
Transfer Current Setting ......................................................................................... C - 5
Printing Start Position Setting ................................................................................ C - 5
Drum Count Display............................................................................................... C - 5
Standard tray paper feed setting ............................................................................. C - 6
Second tray paper feed setting................................................................................ C - 6
Second tray download table selection .................................................................... C - 6
Multi-purpose feeder setting................................................................................... C - 6
Multi-purpose feeder download table selection...................................................... C - 6
Setting of standby temperature ............................................................................... C - 6
Engine test selection ............................................................................................... C - 6
Engine reset ............................................................................................................ C - 6
Engine Maintenance Mode Menu System.............................................................. C - 7
1.4 Factory User Setting Operation .............................................................................. C - 9
Factory Default Settings ......................................................................................... C - 9
Factory ODA Setting Operation ............................................................................. C - 9
Factory OEL Setting Operation .............................................................................. C - 9
Power On ................................................................................................................ C - 9
APPENDIX D: MAINTENANCE UTILITY OVERVIEW .................................................... D - 1
1.1 Overview ................................................................................................................ D - 1
Purpose of the Maintenance Utility ........................................................................ D - 1
How to Get the OKIPAGE 6e Maintenance Utility Program................................. D - 1
Maintenance Functions........................................................................................... D - 2
Printer Driver.............................................................................................. D - 2
Maintenance Utility .................................................................................... D - 3
Main Menu Dialog (Figure 4-2) ................................................................. D - 3
Engine Menu .............................................................................................. D - 4
Engine Counter ........................................................................................... D - 5
Status Monitor ............................................................................................ D - 5
Test Print Button......................................................................................... D - 5
Print File ..................................................................................................... D - 6
Option Menu Button................................................................................... D - 6
Correspondence to non-corresponding product ID printer......................... D - 8
Reload Button ............................................................................................. D - 9
About Button .............................................................................................. D - 9
Exit Button.................................................................................................. D - 9
Setup Dialog ............................................................................................. D - 10
1.2 Maintenance Utility Functions ............................................................................. D - 11
Engine Menu ............................................................................................ D - 11
Engine Counter Reset ............................................................................... D - 11
Test Print................................................................................................... D - 11
Engine Reset ............................................................................................. D - 11
RAM Check.............................................................................................. D - 11
EEPROM Upload/Download ................................................................... D - 11

Table of Contents TOC - 7 OKIPAGE 6e/6ex
Service Manual, P/N 59276401
1.3 Software Configuration ........................................................................................ D - 12
Maintenance Utility ("MNTDRV.EXE") .............................................................. D - 12
Initialization File ("MNTDRV.INI")..................................................................... D - 12
Command analysis library ("OPEL.DLL", "PJL.DLL") ...................................... D - 12
HBPAPI Library ("OKIHBP.DLL") .................................................................... D - 12
Virtual Device Driver ("VOKIHBPD.386")......................................................... D - 12
3D display library (CTL3DV2.DLL) ................................................................... D - 12
Cleaning print file (CLEANING.DLL) ................................................................ D - 12
2.0 Main Menu Dialog ............................................................................................... D - 13
Main Menu Dialog Display .................................................................................. D - 13
2.1 Engine Menu Group ............................................................................................. D - 14
Print Position ........................................................................................................ D - 14
LED Head Drive Time.......................................................................................... D - 14
LED Head Width (OKIPAGE 6e)......................................................................... D - 14
SettingD - 14
Optical Head ......................................................................................................... D - 15
Head type (OKIPAGE 6ex) .................................................................................. D - 15
Page count print .................................................................................................... D - 15
Wait table .............................................................................................................. D - 15
Enter D - 16
Cancel D - 16
2.2 Engine Counter Group.......................................................................................... D - 16
Drum Count .......................................................................................................... D - 16
Total Drum Count ................................................................................................. D - 16
Page Count............................................................................................................ D - 16
Reset D - 16
Reset All ............................................................................................................... D - 16
2.3 Status Monitor ...................................................................................................... D - 17
2.4 Test Print Button................................................................................................... D - 21
2.4.1 Local Print ................................................................................................ D - 21
2.4.2 Test File Print............................................................................................ D - 21
2.5 Option Button ....................................................................................................... D - 22
2.6 About Button ........................................................................................................ D - 22
2.7 Reload Button ....................................................................................................... D - 22
2.8 Exit Button............................................................................................................ D - 23
3.0 Option Menu Dialog............................................................................................. D - 24
EEPROM Operation ............................................................................................. D - 24
H/W Check ........................................................................................................... D - 24
Product set ............................................................................................................ D - 24
Printer name set .................................................................................................... D - 24
3.1 Reset Engine Button ............................................................................................. D - 24
3.2 EEPROM Upload Button ..................................................................................... D - 25
3.3 EEPROM Download Button ................................................................................ D - 25
3.4 RAM Check Button (Not supported) ................................................................... D - 25
3.5 Set ID Button ........................................................................................................ D - 25
3.6 Exit Button............................................................................................................ D - 25