Service Manuals, User Guides, Schematic Diagrams or docs for : oki Printers LED 10ex 10ex_mm
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OKIPAGE 10ex
LED Page Printer
Maintenance Manual
ODA / OEL / INT
Rev.5 99. 11. 30
40718401TH Rev.5 1 / 197
CONTENTS
1. CONFIGURATION .................................................................................................. 5
1.1 System Configuration ..................................................................................... 5
1.2 Printer Configuration ....................................................................................... 7
1.3 Optional Configuration .................................................................................... 8
1.4 Specification ................................................................................................... 10
1.5 Safety Standards ............................................................................................ 12
1.5.1 Certification Label ................................................................................................... 12
1.5.2 Warning Label ........................................................................................................ 12
1.5.3 Warning/Caution Marking ....................................................................................... 13
2. OPERATION DESCRIPTION ................................................................................. 14
2.1 Main Control Board ......................................................................................... 16
2.2 Power Supply/Sensor Board ........................................................................... 17
2.3 Electrophotographic Process .......................................................................... 19
2.3.1 Electrophotographic Process Mechanism .............................................................. 19
2.3.2 Electrophotographic Process ................................................................................. 22
2.3.3 Process Operation Descriptions ............................................................................. 25
2.3.4 Revision of LED Head Illumination ......................................................................... 35
2.4 Paper Jam Detection ...................................................................................... 39
2.5 Cover Open .................................................................................................... 41
2.6 Toner Low Detection ....................................................................................... 42
3. PARTS REPLACEMENT........................................................................................ 44
3.1 Precautions for Parts Replacement ................................................................ 44
3.2 Parts Layout.................................................................................................... 46
3.3 How to Change Parts ...................................................................................... 49
3.3.1 Upper Cover Assy .................................................................................................. 50
3.3.2 IC Card Cover ........................................................................................................ 51
3.3.3 LED Head ............................................................................................................... 52
3.3.4 Operator Panel Assy .............................................................................................. 53
3.3.5 Lower Base Unit ..................................................................................................... 54
3.3.6 Pulse Motor (Main/Drum) ....................................................................................... 55
3.3.7 Pulse Motor (Registration) ...................................................................................... 56
3.3.8 Face Up Stacker Assy ............................................................................................ 57
3.3.9 Eject Roller Assy .................................................................................................... 58
3.3.10 Motor Assy ............................................................................................................. 59
3.3.11 Hopping Roller Shaft Assy ..................................................................................... 60
3.3.12 Stacker Cover Assy ................................................................................................ 61
3.3.13 Registration Roller .................................................................................................. 62
3.3.14 Roller Transfer Assy ............................................................................................... 63
3.3.15 Fusing Unit ............................................................................................................. 64
3.3.16 Back-up Roller ........................................................................................................ 65
3.3.17 Sensor Plate (Inlet) ................................................................................................. 66
3.3.18 Sensor Plate (Outlet) .............................................................................................. 67
3.3.19 Manual Feed Guide Assy ....................................................................................... 68
3.3.20 Sensor Plate (Paper Supply) .................................................................................. 69
3.3.21 M5B-PCB ............................................................................................................... 70
3.3.22 Transformer ............................................................................................................ 71
3.3.23 Power Supply/Sensor Board and Contact Assy ..................................................... 72
3.3.24 Cassette Guide L Assy ........................................................................................... 73
3.3.25 Cassette Guide R Assy .......................................................................................... 74
3.3.26 Spacer Bearing (L/R) .............................................................................................. 75
40718401TH Rev.5 2/
4. ADJUSTMENT ........................................................................................................ 76
4.1 Maintenance Modes and Functions ................................................................ 76
4.1.1 User Maintenance Mode ........................................................................................ 76
4.1.2 System Maintenance Mode .................................................................................... 76
4.1.3 Engine Maintenance Mode ..................................................................................... 77
4.1.4 EEPROM initialization ............................................................................................ 78
4.2 Adjustment When Replacing a Part ................................................................ 79
4.2.1 Setting of LED Head Drive Time ............................................................................ 79
4.2.2 Uploading/Downloading EEPROM data ................................................................. 82
5. PERIODICAL MAINTENANCE .............................................................................. 83
5.1 Periodical Replacement Parts ........................................................................ 83
5.2 Cleaning.......................................................................................................... 83
5.2.1 Cleaning of LED Lens Array ................................................................................... 83
5.2.2 Cleaning Page Function ......................................................................................... 85
6. TROUBLESHOOTING PROCEDURES ................................................................. 86
6.1 Troubleshooting Tips ...................................................................................... 86
6.2 Points to Check before Correcting Image Problems ....................................... 86
6.3 Tips for Correcting Image Problems ............................................................... 86
6.4 Preparation for Troubleshooting ..................................................................... 87
6.5 Troubleshooting Flow ..................................................................................... 88
6.5.1 LCD Status Message/Problem List ........................................................................ 88
6.5.2 LCD Message Troubleshooting .............................................................................. 98
6.5.3 Image Troubleshooting ........................................................................................... 107
7. WIRING DIAGRAM ................................................................................................ 118
7.1 Interconnect Signal Diagram .......................................................................... 118
7.2 PCB Layout and Connector Signal List .......................................................... 119
7.3 Resistance Check ........................................................................................... 128
7.4 Short Plug Setting ........................................................................................... 130
8. PARTS LIST ........................................................................................................... 131
APPENDIX A RS-232C SERIAL INTERFACE (OPTION) ......................................... 138
APPENDIX B CENTRONICS PARALLEL INTERFACE ............................................ 143
APPENDIX C LOOP TEST (RS-232C INTERFACE) ................................................. 149
APPENDIX D DIAGNOSTICS TEST .......................................................................... 150
APPENDIX E MULTI PURPOSE FEEDER MAINTENANCE ..................................... 158
1. OUTLINE ........................................................................................................ 158
1.1 Functions ................................................................................................................ 158
1.2 External View and Component Names .................................................................. 158
2. MECHANISM DESCRIPTION ........................................................................ 159
2.1 General Mechanism ............................................................................................... 159
2.2 Hopper Mechanism ................................................................................................ 159
3. PARTS REPLACEMENT ................................................................................ 160
3.1 Precautions Concerning Parts Replacement ......................................................... 160
3.2 Parts Layout ........................................................................................................... 162
40718401TH Rev.5 3/
3.3 Parts Replacement Methods .................................................................................. 163
3.3.1 Link ......................................................................................................... 164
3.3.2 Separator ................................................................................................ 165
3.3.3 OLEV-11-PCB ........................................................................................ 166
3.3.4 Pulse Motor ............................................................................................ 167
3.3.5 Planet Gear ............................................................................................ 168
3.3.6 Roller-A and B ........................................................................................ 169
4. TROUBLESHOOTING .................................................................................... 170
4.1 Precautions Prior to the Troubleshooting ............................................................... 170
4.2 Preparations for the Troubleshooting ..................................................................... 170
4.3 Troubleshooting Method ......................................................................................... 171
4.3.1 LCD Status Message List ....................................................................... 171
5. CONNECTION DIAGRAM .............................................................................. 173
5.1 Interconnection Diagram ........................................................................................ 173
5.2 PCB Layout ............................................................................................................ 174
6. PARTS LIST ................................................................................................... 175
APPENDIX F HIGH CAPACITY SECOND PAPER FEEDER .................................... 176
1. OUTLINE ........................................................................................................ 176
1.1 Functions ................................................................................................................ 176
1.2 External View and Component Names .................................................................. 176
2. MECHANISM DESCRIPTION ........................................................................ 177
2.1 General Mechanism ............................................................................................... 177
2.2 Hopper Mechanism ................................................................................................ 177
3. PARTS REPLACEMENT ................................................................................ 178
3.1 Precautions Concerning Parts Replacement ......................................................... 178
3.2 Parts Layout ........................................................................................................... 180
3.3 Parts Replacement Methods .................................................................................. 181
3.3.1 Stepping Motor (Hopping) ...................................................................... 182
3.3.2 TQSB-2 PCB .......................................................................................... 184
3.3.3 Hopping Roller Shaft Assy and One-way Clutch Gear ........................... 184
4. TROUBLESHOOTING .................................................................................... 185
4.1 Precautions Prior to the Troubleshooting ............................................................... 185
4.2 Preparations for the Troubleshooting ..................................................................... 185
4.3 Troubleshooting Method ......................................................................................... 186
4.3.1 LCD Status Message List ....................................................................... 186
5. CONNECTION DIAGRAM .............................................................................. 188
5.1 Interconnection Diagram ........................................................................................ 188
5.2 PCB Layout ............................................................................................................ 189
6. PARTS LIST ................................................................................................... 190
40718401TH Rev.5 4/
1. CONFIGURATION
1.1 System Configuration
OKIPAGE 10ex 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.
40718401TH Rev.5 5/
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
Power Supply
and Sensor Board
Centronics
Main Control Board
Memory* * : 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
40718401TH Rev.5 6/
1.2 Printer Configuration
The printer unit consists of the following hardware components:
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