OKIDATA OL810e User manual

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Page: 1
Service Guide OL810e
Chapter 0 About This Manual
OL810e
LED Page Printer
Adobe Acrobat printable reference
copy of the OKIDATA Service Training Manual.
09/17/97
Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the
pictures rendered at 300 dpi, which is ideal for printing, but does not view on most
displays well.
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Table of Contents Page
Service Guide OL810e
0 About This Manual
Front Cover 1
Manual Copyright 2
1 Configuration
1.1 System Configuration 3
1.2 Printer Configuration 4
1.3 Options available for use with OL810e 5
1.4 Specification 6
1.5 Safety Standards - Certification & Warning Labels 7
....1.5.3 Warning/Caution Marking 8
2 Operation Description
Operation Description 9
2.1 Main Control Board 10
2.2 Power Supply/Sensor Board 11
2.3 Electrophotographic Process 12
....2.3.2 Electrophotographic Process 13
....2.3.3 Process Operation Descriptions 14
....2.3.4 Revision of LED Head Illumination 15
2.4 Paper Jam Detection 16
2.5 Cover Open 17
2.6 Toner Low Detection 18
3 Parts Replacement
Parts Replacement 19
3.1 Precautions for Parts Replacement 20
3.2 Parts Layout 21
3.3 How to Change Parts 22
....3.3.1 Upper Cover Assy 23
....3.3.2 IC Card Cover 24
....3.3.3 LED Head 25
....3.3.4 Operator Panel Assy 26
....3.3.5 Pulse Motor (Main/Drum) 27
....3.3.6 Pulse Motor (Registration) 28
....3.3.7 Face Up Stacker Assy 29
....3.3.8 Lower Base Unit 30
....3.3.9 Eject Roller Assy 31
....3.3.10 Motor Assy 32
....3.3.11 Hopping Roller Shaft Assy 33
....3.3.12 Stacker Cover Assy 34
....3.3.13 Registration Roller 35
....3.3.14 Transfer Roller 36
....3.3.15 Fusing Unit 37
....3.3.16 Back-up Roller 38

Table of Contents Page
....3.3.17 Sensor Plate (Inlet) 39
....3.3.18 Sensor Plate (Outlet) 40
....3.3.19 Manual Feed Guide Assy 41
....3.3.20 Sensor Plate (Paper Supply) 42
....3.3.21 TQCB-PCB 43
....3.3.22 Transformer 44
....3.3.23 Power Supply/Sensor Board and Contact Assy 45
....3.3.24 Cassette Guide L Assy 46
....3.3.25 Cassette Guide R Assy 47
4 Adjustments
Adjustment 48
....4.1.1 User Maintenance Mode 49
....4.1.2 System Maintenance Mode 50
....4.1.3 Engine Maintenance Mode 51
....4.1.4 EEPROM initialization 52
4.2 Adjustment When Replacing a Part 53
....4.2.1 Setting of LED Head Drive Time 54
5 Periodical Maintenance
5.1 Periodical Replacement Parts 55
5.2 Cleaning 56
....5.2.1 Cleaning of LED Lens Array 57
........Cleaning Page Function 58
5.3.1 Lubrication 59
6 Troubleshooting
6. Troubleshooting Procedures 60
6.1 Troubleshooting Tips 61
6.2 Points to Check before Correcting Image Problems 62
6.3 Tips for Correcting Image Problems 63
6.4 Preparation for Troubleshooting 64
6.5 Troubleshooting Flow 65
....6.5.1 LCD status message/problem list 66
....6.5.2 LCD message troubleshooting 67
........1 Printer doesn't work normally after the power is turned
on. 68
........2 - 1 Paper input jam 69
........2 - 2 Paper feed jam 70
........2 - 3 Paper exit jam 71
........3 Paper size error 72
........4 Fusing unit error (ERROR 71) (ERROR 72) (ERROR
73) 73
........5 Synchronous serial I/O error (ERROR 74) or I/F timeout
between printer and optional tray (ERROR 81) 74
........6 Fan error (ERROR 70) 75
....6.5.3 Image troubleshooting 76

Table of Contents Page
........1 Images are light or blurred entirely. 77
........2 Dark background density 78
........3 Blank paper is output. 79
........4 Black vertical belts or stripes 80
........5 Cyclical defect 81
........6 Prints voids 82
........7 Poor fusing (images are blurred or peels off when the
printed characters and images on the paper are touched by
hand)
83
........8 White vertical belts or streaks 84
7 Wiring Diagrams
7.1 Interconnect Signal Diagram 85
7.2 PCB Layout and Connector Signal List 86
....FAN Pin Assignment (To fan motor) 87
....DM Pin Assignment (To main/drum motor) 88
....RM Pin Assignment (To registration motor) 89
....HEAD1 Pin Assignment (To LED head) 90
....HEAD2 Pin Assignment (To LED head) 91
....PANEL Pin Assignment (To operator panel) 92
....2ND TRAY Pin Assignment (To option feeder I/F) 93
....Power Pin Assignment 94
....CENT Pin Assignment 95
....SERIAL Pin Assignment (To RS232C) 96
....CARD Pin Assigment 97
....OPTION Pin Assignment 98
....7.3 Resistance Check 99
7.4 Short Plug Setting 100
8 Parts List
Lower Base Unit 101
............Part #25 Face down Stacker Assy : Jim
Homeuser/Okidata; 10/14/96 102
Upper cover unit 103
Base Unit 2 104
A RS-232 Interface
Rs-232C Serial Interface 105
....Interface Parameter Setting 106
B Centronics Parallel Interface
Centronics Parallel Interface 107
....Interface Parameter Setting 108
C Loop Test (RS-232C Interface)
Loop Test (Rs-232C Interface) 109
D Diagnostic Tests
1. Maintenance Modes 110
....1.1 User Maintenance Mode 111

Table of Contents Page
....1.2 System Maintenance Mode 112
....1.3 Engine Maintenance Mode 113
....1.4 User Factory Set Operation 114
E Option: Multi-Purpose Feeder
Multi-Purpose Feeder Paper Specifications 115
....External View and Component Names 116
....Mechanism Description 117
....Parts Layout 118
....Parts Replacement Methods 119
........3.3.1 Link 120
........3.3.2 Separator 121
........3.3.3 OLEV-11-PCB 122
........3.3.4 Pulse Motor 123
........3.3.5 Planet Gear 124
........3.3.6 Roller-A and B 125
....Troubleshooting Problems with the Multi-Purpose Feeder 126
....Multi-Purpose Feeder Connection Diagram 127
....Multi-Purpose Feeder Parts List 128
F Option: Second Paper Mech.
Second Paper Mech. Paper Specifications 129
....External View and Component Names 130
....Mechanism Description 131
Parts Replacement 132
....Parts Layout 133
....Parts Replacement Methods 134
........3.3.1 Pulse Motor (Hopping) 135
........3.3.2 TQSB-PCB 136
........3.3.3 Hopping Roller Assy and One-way Clutch Gear 137
Troubleshooting the 2nd Paper Tray Mech. 138
Second Paper Mech. Connection Diagram 139
....Second Paper Mech. PCB Layout TQSB-PCB 140
Second Paper Mech. Parts List 141

Page: 2
Service Guide OL810e
Chapter 0 About This Manual
OKIDATA is a registered trademark of Oki America, Inc.
OKIDATA est une marque déposée de Oki America, Inc.
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 3
Service Guide OL810e
Chapter 1 Configuration
1.1 System Configuration
OL810e 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.
Figure 1-1
Note: Power Envelope Feeder is compatible with OL400e series printers.
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 4
Service Guide OL810e
Chapter 1 Configuration
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.

Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)