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OKIPAGE 6e/6ex
LED Page Printer
Maintenance Manual
ODA/OEL/INT
Approval
All specifications are subject to change without notice.
PREFACE
This Maintenance Manual describes the field maintenance methods for OKIPAGE 6e and OKIPAGE
6ex LED Page Printers.
This manual is written for use by service persons. Please note that you should refer to the Printer
Handbook for the handling and operating methods of the equipment.
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
2.1 Control Board..................................................................................... 2-4
2.2 PS Board ........................................................................................... 2-6
2.3 RAM Board ........................................................................................ 2-7
2.4 Power Supply Board .......................................................................... 2-8
2.5 Electrophotographic Process ............................................................. 2 - 10
2.5.1 Electrophotographic Process Mechanism ............................................... 2 - 10
2.5.2 Electrophotographic Process .................................................................. 2 - 13
2.5.3 Process Operation Descriptions .............................................................. 2 - 16
2.6 Paper Jam Detection ......................................................................... 2 - 27
2.7 Cover Open ....................................................................................... 2 - 30
2.8 Toner Low Detection.......................................................................... 2 - 31
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
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 Adjustment ......................................................................................... 4 - 1
4.1.1 Maintenance Functions ........................................................................... 4 - 1
4.2 Adjustment ......................................................................................... 4 - 10
4.2.1 Maintenance Modes and Functions ........................................................ 4 - 10
4.3 Adjustment When Replacing a Part ................................................... 4 - 12
4.3.1 Adjustment at the Time of Part Replacement
(OKIPAGE6e 300dpi LED head) ............................................................. 4 - 12
4.3.2 Adjustment When Replacing a Part (OKIPAGE6ex 600dpi LED head) .. 4 - 14
4.3.3 Uploading / Downloading EEPROM data ................................................ 4 - 17
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
6.4 Preparation for Troubleshooting ........................................................ 6-2
6.5 Troubleshooting Flow ........................................................................ 6-3
6.5.1 Status Message/Trouble List ................................................................... 6 - 3
6.5.2 Status Message Troubleshooting ............................................................ 6 - 24
6.5.3 Image Troubleshooting ............................................................................ 6 - 36
7. WIRING DIAGRAM.................................................................................... 7-1
7.1 Interconnect Signal Diagram ............................................................. 7-1
7.2 PCB Layout and Connector Signal List ............................................. 7-3
7.3 Resistance Check .............................................................................. 7 - 15
7.4 Short Plug Setting .............................................................................. 7 - 17
8. PARTS LIST .............................................................................................. 8 - 1
Appendix A Centronics Parallel Interface ................................................. A-1
B LocalTalk (RS422) Serial Interface ........................................ B-1
C Diagnostics Test..................................................................... C-1
D Maintenance Utility Overview................................................ D-1
E Multi-Purpose Feeder Maintenance ...................................... E-1
F High Capacity Second Paper Feeder Maintenance ............. F-1
1. CONFIGURATION
1. CONFIGURATION
1.1 System Configuration
OKIPAGE 6e and OKIPAGE 6ex consist of control and engine blocks in the standard configura-
tion, as shown in Figure 1-1.
In addition, the options marked with asterisk(*) are available.
Operator Panel
(OKIPAGE 6ex Only)
Engine Unit
Paper
Cassette
* Legal/Universal Paper Feed Mechanism
Paper Tray (First Tray Unit) Face
Down
Electrophotographic Stacker
Processing Unit
Power Supply
and Sensor PCB
* Hight Capacity
Second Paper Feeder Main Control PCB
* Multi-Purpose
Feeder
*OKIPAGE 6ex : PS Board with RAM * : Optional
*OKIPAGE 6e/6ex : RAM Board
Figure 1-1
1-1
1.2 Printer Configuration
The printer unit consists of the following hardware components: