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.

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)

........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.

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.

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.

Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

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