Oki OKIPAGE 14e User manual

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41605601TH Rev.2 1 / 182
OKIPAGE 14e
LED Page Printer
Service Manual
ODA
Based on: 2001-03-19 Rev.2

41605601TH Rev.2 2 /
Rev.No. Date No.
Corrected items
Page Description of change Person in
charge
Document Revision History
1 2000-12-08 ISSUE ODC Miyashita
2 2001-03-19 NP39 H Ono
3 06-15-2001 ODA Revision ODA Training

41605601TH Rev.2 3 /
PREFACE
This Maintenance Manual describes the field maintenance methods for OKIPAGE 14e LED Page Printers.
This manual is written for use by the maintenance personnel. Please note that you should refer to the
Printer Handbook and Printer Setup for the handling and operating methods of the equipment.

41605601TH Rev.2 4 /
Contents
1. CONFIGURATION ............................................................................................... 7
1.1 System Configuration ................................................................................... 7
1.2 Printer Configuration..................................................................................... 8
1.3 Optional Configuration .................................................................................. 9
1.4 Specification ................................................................................................11
1.5 Safety Standards ........................................................................................ 13
1.5.1 Certification Label.................................................................................................... 13
1.5.2 Warning Label.......................................................................................................... 13
1.5.3 Warning/Caution Marking ........................................................................................ 14
2. OPERATION DESCRIPTION............................................................................. 15
2.1 Main Control Board..................................................................................... 17
2.2 Power Supply/Sensor Board....................................................................... 18
2.3 Electrophotographic Process...................................................................... 20
2.3.1 Electrophotographic Process Mechanism ............................................................... 20
2.3.2 Electrophotographic Process................................................................................... 22
2.3.3 Process Operation Descriptions .............................................................................. 25
2.4 Paper Jam Detection .................................................................................. 35
2.5 Cover Open ................................................................................................ 37
2.6 Toner Low Detection ................................................................................... 38
3. PARTS REPLACEMENT.................................................................................... 40
3.1 Precautions for Parts Replacement ............................................................ 40
3.2 Parts Layout................................................................................................ 42
3.3 How to Change Parts.................................................................................. 45
3.3.1 Upper Cover Assy.................................................................................................... 46
3.3.2 IC Card Cover.......................................................................................................... 47
3.3.3 LED Head ................................................................................................................ 48
3.3.4 Operator Panel Assy................................................................................................ 49
3.3.5 Lower Base Unit ...................................................................................................... 50
3.3.6 Pulse Motor (Main/Drum) ........................................................................................ 51
3.3.7 Pulse Motor (Registration)....................................................................................... 52
3.3.8 Face Up Stacker Assy ............................................................................................. 53
3.3.9 Eject Roller Assy...................................................................................................... 54
3.3.10 Motor Assy............................................................................................................... 55
3.3.11 Hopping Roller ShaftAssy....................................................................................... 56
3.3.12 Stacker Cover Assy ................................................................................................. 57
3.3.13 Registration Roller ................................................................................................... 58
3.3.14 Roller Transfer Assy ................................................................................................ 59
3.3.15 Fusing Unit .............................................................................................................. 60
3.3.16 Back-up Roller ......................................................................................................... 61
3.3.17 Sensor Plate (Inlet).................................................................................................. 62
3.3.18 Sensor Plate (Outlet), Sensor Wire Assy................................................................. 63
3.3.19 Manual Feed Guide Assy ........................................................................................ 64
3.3.20 Sensor Plate (Paper Supply) ................................................................................... 65
3.3.21 M7G-PCB ................................................................................................................ 66
3.3.22 Power Supply/Sensor Board, High Voltage Unit and Contact Assy......................... 67
3.3.23 Cassette Guide LAssy ............................................................................................ 68
3.3.24 Cassette Guide R Assy............................................................................................ 69
3.3.25 Spacer Bearing (L/R)............................................................................................... 70
4. ADJUSTMENT ................................................................................................... 71
4.1 Adjustment Types and Functions................................................................ 71
4.1.1 Status Monitor ......................................................................................................... 71

41605601TH Rev.2 5 /
4.1.2 Engine Maintenance Utility ...................................................................................... 71
4.2 Adjustment When Replacing a Part............................................................ 72
4.2.1 Setting of LED Head Drive Time.............................................................................. 72
4.2.2 Uploading and Downloading EEPROM Data .......................................................... 73
5. PERIODICAL MAINTENANCE........................................................................... 74
5.1 Periodical Replacement Parts .................................................................... 74
5.2 Cleaning...................................................................................................... 74
5.2.1 Cleaning of LED Lens Array .................................................................................... 74
6. TROUBLESHOOTING PROCEDURES............................................................. 76
6.1 Troubleshooting Tips................................................................................... 76
6.2 Check Points Before Correcting Image Problems ...................................... 76
6.3 Notes When Correcting Image Problems ................................................... 76
6.4 Preparation Before Troubleshooting ........................................................... 76
6.5 Troubleshooting .......................................................................................... 78
6.5.1 Status Monitor Message List ................................................................................... 78
6.5.2 Status Message Troubleshooting ............................................................................ 82
6.5.3 Image Troubleshooting ............................................................................................ 90
7. WIRING DIAGRAM ........................................................................................... 99
7.1 Interconnect Signal Diagram ...................................................................... 99
7.2 PCB Layout and Connector Signal List .................................................... 100
7.3 Resistance Check......................................................................................110
8. PARTS LIST ......................................................................................................112
Appendix A RS-232C SERIAL INTERFACE (option).........................................119
Appendix B CENTRONICS PARALLEL INTERFACE....................................... 121
Appendix C UNIVERSAL SERIAL BUS (USB).................................................. 125
Appendix D MAINTENANCE UTILITY GUI MANUAL....................................... 129
1. Overview .................................................................................................... 129
1.1 System Requirements ............................................................................................... 129
2. Utility Starting-Time Operation ................................................................... 129
3. Main Set Property Sheet ............................................................................ 130
3.1 Printer Status Group.................................................................................................. 130
3.2 LED Head Marking No............................................................................................... 133
3.3 Descriptions on Buttons............................................................................................. 134
4. Menu Property Sheet................................................................................ 136
4.1 Setting Items.............................................................................................................. 137
5. Local Print Property Sheet ......................................................................... 140
6. Product Set Property Sheet........................................................................ 142
7. About Property Sheet ................................................................................. 143
8. For Invalid Events....................................................................................... 144
8.1 Failed Printer Setting ................................................................................................. 144
8.2 RAM Check Error....................................................................................................... 144
Appendix E MULTI-PURPOSE FEEDER.......................................................... 134
1. OUTLINE.................................................................................................... 145
1.1 Functions ................................................................................................................... 145
1.2 External View and Component Names...................................................................... 145

41605601TH Rev.2 6 /
2. MECHANISM DESCRIPTION.................................................................... 146
2.1 General Mechanism .................................................................................................. 146
2.2 Hopper Mechanism ................................................................................................... 146
3. PARTS REPLACEMENT............................................................................ 147
3.1 Precautions Concerning Parts Replacement............................................................. 147
3.2 Parts Layout .............................................................................................................. 149
3.3 Parts Replacement Methods ..................................................................................... 150
3.3.1 Link................................................................................................................ 151
3.3.2 Separator....................................................................................................... 152
3.3.3 OLEV-11-PCB ............................................................................................... 153
3.3.4 Pulse Motor ................................................................................................... 154
3.3.5 Planet Gear ................................................................................................... 155
3.3.6 Roller-A and B ............................................................................................... 156
4. TROUBLESHOOTING ............................................................................... 157
4.1 Precautions Prior to the Troubleshooting .................................................................. 157
4.2 Preparations for the Troubleshooting ........................................................................ 157
4.3 Troubleshooting Method ............................................................................................ 158
4.3.1 LED Status Message List .............................................................................. 158
5. CONNECTION DIAGRAM ......................................................................... 160
5.1 Interconnection Diagram ........................................................................................... 160
5.2 PCB Layout ............................................................................................................... 160
6. PARTS LIST ............................................................................................... 161
Appendix F HIGH CAPACITY SECOND PAPER FEEDER MAINTENANCE... 163
1. OUTLINE.................................................................................................... 163
1.1 Functions ................................................................................................................... 163
1.2 External View and Component Names...................................................................... 163
2. MECHANISM DESCRIPTION.................................................................... 164
2.1 General Mechanism .................................................................................................. 164
2.2 Hopper Mechanism ................................................................................................... 164
3. PARTS REPLACEMENT............................................................................ 165
3.1 Precautions Concerning Parts Replacement............................................................. 165
3.2 Parts Layout .............................................................................................................. 167
3.3 Parts Replacement Methods ..................................................................................... 168
3.3.1 Stepping Motor (Hopping) ............................................................................. 169
3.3.2 TQSB-2 PCB ................................................................................................. 171
3.3.3 Hopping Roller Shaft Assy and One-way Clutch Gear .................................. 171
4. TROUBLESHOOTING ............................................................................... 172
4.1 Precautions Prior to the Troubleshooting .................................................................. 172
4.2 Preparations for the Troubleshooting ........................................................................ 172
4.3 Troubleshooting Method ............................................................................................ 173
4.3.1 LED Status Message List .............................................................................. 173
5. CONNECTION DIAGRAM ......................................................................... 175
5.1 Interconnection Diagram ........................................................................................... 175
5.2 PCB Layout ............................................................................................................... 175
6. PARTS LIST ............................................................................................... 176

41605601TH Rev.2 7 /
1. CONFIGURATION
1.1 System Configuration
OKIPAGE14econsistsofcontrolandengineblocksinthestandardconfiguration,asshowninFigure
1-1.
In addition, the options marked with asterisk(*) are available.
Figure 1-1
High Voltage Unit
and Sensor Board
Electrophotographic
Processing Unit
Fuser Unit
Paper Feeding Mechanism
(First Tray Unit)
RS-232C Serial*
Interface Board
1 DRAM SIMM Socket
1 Flash SIMM Socket
Main Control Board
Operator Panel
Paper
Cassette
Face
Down
Stacker
Engine Unit
* : Optional
*High Capacity
Second Paper
Feeder
*Multi Purpose
Feeder
Centronics
Face Up
Stacker
or
Flash SIMM*
(Flash memory)
DRAM SIMM*
RS-232C
Expansion Board
1 DRAM SIMM Socket
1 Flash SIMM Socket
USB
Power Supply AC

41605601TH Rev.2 8 /
1.2 Printer Configuration
The printer unit consists of the following hardware components:
• Electrophotographic Processor
• Paper Feeder
• Controller
• Operator Panel
• Power Supply Unit
The printer unit configuration is shown in Figure 1-2.
Figure 1-2
Upper cover
Operator panel assy
Stacker assy
Optional board
Fusing unit
Power supply
Legal/universal paper cassette
High Voltage Unit/sensor board
Main control board
Image drum unit(Type 8)
(consumable)
Toner-cartridge(Type 5)
(consumable)

41605601TH Rev.2 9 /
(3) Expansion Board
1.3 Optional Configuration
The options shown below are available for use with OKIPAGE 14e. These are available separately
from the printer unit.
(1) High Capacity Second Paper Feeder
(2) Multi Purpose Feeder