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OKIPAGE 14e
LED Page Printer
Service Manual
ODA
Based on: 2001-03-19 Rev.2
41605601TH Rev.2 1 / 182
Document Revision History
Corrected items Person in
Rev.No. Date
No. Page Description of change charge
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 2/
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 3/
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 Shaft Assy ....................................................................................... 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 L Assy ............................................................................................ 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 4/
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 5/
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 6/
1. CONFIGURATION
1.1 System Configuration
OKIPAGE 14e consists of control and engine blocks in the standard configuration, as shown in Figure
1-1.
In addition, the options marked with asterisk(*) are available.
Operator Panel
Engine Unit
Paper
Cassette Face Up
Stacker
*High Capacity
Second Paper Paper Feeding Mechanism
Feeder (First Tray Unit) Face
*Multi Purpose Down
Feeder
Electrophotographic Stacker
Processing Unit
Fuser Unit
High Voltage Unit
and Sensor Board
Power Supply AC
Centronics
Main Control Board
USB
* : Optional
Expansion Board
1 DRAM SIMM Socket
1 Flash SIMM Socket
DRAM SIMM*
or
RS-232C RS-232C Serial*
Interface Board
1 DRAM SIMM Socket Flash SIMM*
1 Flash SIMM Socket (Flash memory)
Figure 1-1
41605601TH Rev.2 7/
1.2 Printer Configuration
The printer unit consists of the following hardware components: