Service Manuals, User Guides, Schematic Diagrams or docs for : oki Printers LED 6w 6w_mm
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OKIPAGE 6
LED Page Printer
Maintenance Manual
OEL
All specifications are subject to change without notice.
PREFACE
This Maintenance Manual describes the field maintenance methods for LED Page Printers.
This manual is written for use by service persons. Please note that you should refer to the Printer
Handbook for the handling and operating methods of the equipment.
CONTENTS
1. CONFIGURATION ..................................................................................... 1-1
1.1 System Configuration ........................................................................ 1-1
1.2 Printer Configuration .......................................................................... 1-2
1.4 Specification ...................................................................................... 1-3
1.5 Safety Standards ............................................................................... 1-5
2. OPERATION DESCRIPTION .................................................................... 2-1
2.1 Main Control Board ............................................................................ 2-3
2.2 Power Supply Unit ............................................................................. 2-4
2.3 High-Voltage Power Supply Board .................................................... 2-4
2.4 Electro-Photographic Processor ........................................................ 2-6
2.5 Electro-Photographic Process ........................................................... 2 - 10
2.5.1 Explanation of Each Process Operation .................................................. 2 - 12
2.6 Paper Jam Detection ......................................................................... 2 - 18
2.7 Toner Low Detection.......................................................................... 2 - 18
2.8 Cover Open ....................................................................................... 2 - 21
2.9 Detecting I/D Unit existence .............................................................. 2 - 21
3. PARTS REPLACEMENT ........................................................................... 3-1
3.1 Precautions for Parts Replacement ................................................... 3-1
3.2 Parts Layout....................................................................................... 3-3
3.3 Replacing Parts ................................................................................. 3-6
3.3.1 Hopper Plate ........................................................................................... 3 - 6
3.3.2 LED Head and Head Spring .................................................................... 3 - 7
3.3.3 Transfer Roller ......................................................................................... 3 - 8
3.3.4 How to remove Cover Upper Assy .......................................................... 3 - 9
3.3.5 Upper Cover Assy ................................................................................... 3 - 10
3.3.6 High-Voltage Power Supply Board (P2H) ............................................... 3 - 11
3.3.7 Top Cover Assy and Flat Cable Assy ...................................................... 3 - 12
3.3.8 Paper Holder ........................................................................................... 3 - 13
3.3.9 Side Plate M and Idle Gear ..................................................................... 3 - 14
3.3.10 Heat Assy ................................................................................................ 3 - 15
3.3.11 Drive Shaft E (Eject) and Eject Roller ..................................................... 3 - 16
3.3.12 Pressure Roller B (Back Up Roller) ......................................................... 3 - 17
3.3.13 Separator Guide ...................................................................................... 3 - 18
3.3.14 Pulse Motor (Main) .................................................................................. 3 - 20
3.3.15 Hopping Shaft Assy ................................................................................. 3 - 21
3.3.16 Regist Roller ............................................................................................ 3 - 22
3.3.17 Paper Sensor E, Paper Sensor Exit and Toner Sensor Assy ................. 3 - 23
3.3.18 Base Plate ............................................................................................... 3 - 24
4. ADJUSTMENT ................................................................................. 4-1
4.1 Adjustment Types and Functions ............................................. 4-1
4.1.1 Printer Driver ........................................................................... 4-1
4.1.2 Engine Maintenance Utility .............................................. 4-2
4.2 Adjustment When Replacing a Part .................................... 4-2
4.2.1 Setting LED Head Drive Time ................................................ 4-2
4.2.2 Uploading and Downloading EEPROM Data .................. 4-3
5. PERIODICAL MAINTENANCE ............................................. 5-1
5.1 Periodical Replacement Parts .................................................. 5-1
5.2 Cleaning .................................................................................... 5-2
5.2.1 Cleaning the LED Lens Array ...................................................... 5-2
6. TROUBLESHOOTING PROCEDURES ......................................... 6-1
6.1 Troubleshooting Tips .............................................................. 6-1
6.2 Check Points Before Correcting Image Problems ................... 6-1
6.3 Notes When Correcting Image Problems ................................. 6-1
6.4 Preparation Before Troubleshooting ......................................... 6-1
6.5 Troubleshooting ........................................................................ 6-2
6.5.1 Status Monitor Message List ............................................................ 6-3
6.5.2 Status Message Troubleshooting ............................................ 6-6
6.5.3 Image Troubleshooting ............................................................ 6 - 12
7. WIRING DIAGRAM ......................................................................... 7-1
7.1 (b)Interconnect Signal Diagram (OKIPAGE 6w) ...................... 7 -1
7.2 PCB Layout .............................................................................. 7 -2
7.2.1 a) Main Control Board (HBY PCB) (OKIPAGE 6w EPROM type) ....... 7 -2
7.2.2 High-Voltage Power Supply Board ........................................... 7 -3
8. PARTS LIST .................................................................................... 8 -1
APPENDIX A LOCAL PRINTING/ DEMO PAGE PRINTING ............. A-1
APPENDIX B PARALLEL INTERFACE ............................................. B-1
APPENDIX C MAINTENANCE UTILITY GUI MANUAL (OKIPAGE 6W) C-1
1. CONFIGURATION
1. CONFIGURATION
1.1 System Configuration
The OKIPAGE 6w consists of a control block, a power supply unit, and an engine block. (See
Figure 1-1.)
ENGINE UNIT
Paper Feed Mechanism
Hopper
Plate
Electro-photographic
Processor
Main High-Voltage
Power Supply Board
Sub High-Voltage
Main Control Board
PowerSupply Board
Power Supply Unit
Figure 1-1
1-1
1.2 Printer Configuration
The printer unit consists of the following five hardware components:
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