Oki OKIPAGE 8z Manuale utente

Service Manual for OKIPAGE 8z

Chapter 0 Introduction

Page: 1

Front Cover

Service Guide

OKIPAGE 8z

Digital LED Page Printer

Adobe Acrobat printable reference copy

of the OKIDATA Service Training Manual.

07/18/2000

Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures

rendered at 72 dpi, which is ideal for screen viewing. For future updates to this manual, and

more on-line information visit our Business Partner Exchange (BPX) at

http://bpx.okidata.com.

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

Table of Contents Page

Service Manual for OKIPAGE 8z

0 Introduction

Preface 1

1 Configuration

Configuration 2

....1.1 System Configuration 3

....1.2 Printer Configuration 4

....1.3 Specification 5

....1.4 Safety Standards 6

........1.4.1 Certification Label 7

........1.4.2 Warning Label 8

2 Operation Description

2.0 Operation Description 9

2.1 Main Control Board 10

2.2 Power Supply Unit 11

2.3 High-Voltage Power Supply Board 12

2.4 Electro-Photographic Processor 13

2.5 Electro-Photographic Process 14

....2.5.1 Explanation of Each Process Operation 15

2.6 Paper Jam Detection 16

2.7 Toner Low Detection 17

2.8 Cover Open 18

2.9 Detecting ID existence 19

3 Parts Replacement

Parts Replacements 20

....3.1 Precautions for Parts Replacement 21

....3.2 Parts Layout 22

........Upper Cover Assy 23

........Base Frame Unit 24

........Base Plate Unit 25

....3.3 Replacing Parts 26

........3.3.1 Hopper Plate 27

........3.3.2 LED Head and Head Spring 28

........3.3.3 Transfer Roller 29

........3.3.4 Upper Cover Assy 30

........3.3.5 High-Voltage Power Supply Board (P2H/P6L) 31

........3.3.6 Top Cover Assy and Flat Cable Assy 32

........3.3.7 Paper Holder 33

........3.3.8 Side Plate M and Idle Gear 34

........3.3.9 Heat Assy 35

........3.3.10 Drive Shaft E (Eject) and Eject Roller 36

........3.3.11 Pressure Roller B (Back Up Roller) 37

........3.3.12 Separator Guide 38

........3.3.13 Pulse Motor (Main) 39

........3.3.14 Hopping Shaft Assy 40

........3.3.15 Resist Roller 41

........3.3.16 Paper Sensor E, Paper Sensor Exit and Toner

Sensor Assy 42

........3.3.17 Base Plate 43

4 Adjustment

4.0 Adjustment 44

Table of Contents Page

....4.1 Adjustment Types and Functions 45

........4.1.1 Printer Driver 46

........4.1.2 Engine Maintenance Utility 47

....4.2 Adjustment When Replacing a Part 48

........4.2.1 Setting LED Head Drive Time 49

........4.2.2 Uploading and Downloading EEPROM Data 50

5 Periodical Maintenance

5.1 Periodical Replacement Parts 51

5.2 Cleaning 52

....5.2.1 Cleaning the LED Lens Array 53

6 Troubleshooting Procedures

6.1 Troubleshooting Tips 54

6.2 Check Points Before Correcting Image Problems 55

6.3 Notes When Correcting Image Problems 56

6.4 Preparation Before Troubleshooting 57

6.5 Troubleshooting 58

....6.5.1 Status Monitor Message List 59

....6.5.2 Status Message Troubleshooting 60

....6.5.3 Image Troubleshooting 61

........(1) An image is light or blurred entirely 62

........(2) Dark background density 63

........(3) A blank paper is output 64

........(4) Vertical black belt/stripe 65

........(5) Cyclic defect 66

........(6) A blank paper is output 67

........(7) Poor fusing 68

........(8) Vertical white belt/stripe 69

........Contents - Figure 6-4 70

........Contents - Figure 6-5 71

7 Wiring Diagram

7.1 Interconnect Signal Diagram 72

7.2 PCB Layout 73

....7.2.1 Main Control Board (U8S PCB) 74

....7.2.2 High-Voltage Power Supply Board 75

8 Parts List

Cover Assy Upper 76

Base Frame Unit 77

Heat Assy 78

Base Plate Unit 79

A Local Printing

Local Printing 80

B Parallel Interface

Parallel Interface 81

C Maintenance Utility

Outline of Maintenance Utility 82

Detail of Each Function 83

....4.1 Engine Menu Setting 84

....4.2 Engine Counter 85

....4.3 Printer Status 86

....4.4 Test Print 87

....4.5 Option 88

Table of Contents Page

....4.6 About 89

....4.7 Reload 90

.... 4.8 Exit 91

D Universal Serial Bus (USB)

USB Specifications 92

Service Manual for OKIPAGE 8z

Chapter 0 Introduction

Page: 1

Preface

This Service Handbook describes the field maintenance procedures for the OKIPAGE 8z.

This manual is written for use by service persons. Please note that you should refer to the Printer User's Manual for

operating procedures.

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

Service Manual for OKIPAGE 8z

Chapter 1 Configuration

Page: 2

Configuration

System Configuration

Printer Configuration

Specification

Safety Standards

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

Service Manual for OKIPAGE 8z

Chapter 1 Configuration

Page: 3

1.1 System Configuration

The OKIPAGE 8z consists of a control block, a power supply unit, and an engine block. (See Figure 1-1

below.)

Figure 1-1

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

Service Manual for OKIPAGE 8z

Chapter 1 Configuration

Page: 4

1.2 Printer Configuration

The printer unit consists of the following five hardware components:

Electro-Photographic Processorl

Paper Feederl

Main Control Boardl

High-Voltage Power Supply Boardl

Power Supply Unitl

Figure 1-2 is the configuration of the printer unit.

Figure 1-2

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

Service Manual for OKIPAGE 8z

Chapter 1 Configuration

Page: 5

1.3 Specification

(1) Type: Desktop

(2) Outside dimensions

(excludes protruding

portion)

Height: 5.9" (150 mm)

Width 12.2" (310 mm)

Depth 7.5" (191mm)

(3) Weight 8.4 lbs. (3.8kg)

(4) Development

method

Exposure method

Dry non-magnetic development system

LED stationary head

(5) Paper used <Type>

Standard paperl- Xerox 4200 (20 lbs)

Application paper (manual face-up feed)l- Label

- Envelope

- OHP paper (Transparency)

<Size>

14" (355.6 mm) (Max.) x 8.5" (215.9 mm)

Automatic feed: 16 to 28 lbs (60 to 105 g/m2)

- Manual feed: Label, Envelope, OHP paper (transparency)

(6) Printing speed: First print: 23 seconds (A4) (after warm-up)

Continuous print: 8 sheets/minute (A4)

Warm-up time: 40 seconds (120 VAC for ODA, 230 VAC for

OEL/INT) (at room temperature 77oF (25oC)

(7) Paper feeding

method Automatic paper feed or manual paper feed

(8) Paper delivery

method Face down

(9) Resolution 600 dpi x 600 dpi (true)

(10) Power input 230 VAC +/-10% (for OEL/INT)

120 VAC +/-15% for (ODA)

(11) Power consumption Peak: Approx. 450W

Typical operation: Approx. 100W

Idle: Approx. 30W

Power save mode: Approx. 5W

(12) Temperature and

humidity

Temperature Humidity

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