Oki OKIPAGE 8iM Manuale utente
41260201TH Draft 1 / 106
OKIPAGE
8iM
LED Page Printer
Maintenance Manual
ODA/OEL
Draft Version
41260201TH Draft 2 /
Rev.No. Date No.
Corrected items
Page Description of change Person in
change
1ISSUE E2 Nagahashi
41260201TH Draft 3 /
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.
41260201TH Draft 4 /
CONTENTS
1. CONFIGURATION ......................................................................................... 6
1.1 System Configuration ............................................................................... 6
1.2 Printer Configuration................................................................................. 7
1.3 Specification ............................................................................................. 8
1.4 Safety Standards ...................................................................................... 10
1.4.1 Certification Label............................................................................................ 10
1.4.2 Warning Label ................................................................................................. 10
2. OPERATION DESCRIPTION......................................................................... 11
2.1 Main Control Board................................................................................... 13
2.2 Power Supply Unit .................................................................................... 14
2.3 High-Voltage Power Supply Board ........................................................... 14
2.4 Electro-Photographic Processor............................................................... 16
2.5 Electro-Photographic Process .................................................................. 20
2.5.1 Explanation of Each Process Operation.......................................................... 22
2.6 Paper Jam Detection ................................................................................ 27
2.7 Toner Low Detection................................................................................. 29
2.8 Cover Open .............................................................................................. 31
2.9 Detecting I/D Unit existence ..................................................................... 31
3. PARTS REPLACEMENT ............................................................................... 34
3.1 Precautions for Parts Replacement.......................................................... 34
3.2 Parts Layout.............................................................................................. 36
3.3 Replacing Parts ........................................................................................ 39
3.3.1 Hopper Plate ................................................................................................... 39
3.3.2 LED Head and Head Spring............................................................................ 40
3.3.3 Transfer Roller................................................................................................. 41
3.3.4 How to remove Cover Upper Assy .................................................................. 42
3.3.5 Upper Cover Assy ........................................................................................... 43
3.3.6 High-Voltage Power Supply Board (P2H) ....................................................... 44
3.3.7 Top Cover Assy and Flat Cable Assy.............................................................. 45
3.3.8 Paper Holder ................................................................................................... 46
3.3.9 Side Plate M and Idle Gear ............................................................................. 47
3.3.10 Heat Assy ........................................................................................................ 48
3.3.11 Drive Shaft E (Eject) and Eject Roller ............................................................. 49
3.3.12 Pressure Roller B (Back Up Roller)................................................................. 50
3.3.13 Separator Guide .............................................................................................. 51
3.3.14 Pulse Motor (Main) .......................................................................................... 53
3.3.15 Hopping Shaft Assy......................................................................................... 54
3.3.16 Regist Roller.................................................................................................... 55
3.3.17 Paper Sensor E, Paper Sensor Exit and Toner Sensor Assy ......................... 56
3.3.18 Base Plate ....................................................................................................... 57
4. ADJUSTMENT ............................................................................................... 58
4.1 Adjustment Types and Functions ............................................................. 58
4.1.1 Printer Driver ................................................................................................... 58
4.1.2 Engine Maintenance Utility.............................................................................. 58
41260201TH Draft 5 /
4.2 Adjustment When Replacing a Part.......................................................... 59
4.2.1 Setting LED Head Drive Time ......................................................................... 59
4.2.2 Uploading and Downloading EEPROM Data .................................................. 60
5. PERIODICAL MAINTENANCE ...................................................................... 61
5.1 Periodical Replacement Parts .................................................................. 61
5.2 Cleaning.................................................................................................... 61
5.2.1 Cleaning the LED Lens Array.......................................................................... 61
6. TROUBLESHOOTING PROCEDURES......................................................... 63
6.1 Troubleshooting Tips ................................................................................ 63
6.2 Check Points Before Correcting Image Problems .................................... 63
6.3 Notes When Correcting Image Problems ................................................. 63
6.4 Preparation Before Troubleshooting......................................................... 63
6.5 Troubleshooting........................................................................................ 64
6.5.1 Status Monitor Message List ........................................................................... 64
6.5.2 Status Message Troubleshooting.................................................................... 68
6.5.3 Image Troubleshooting.................................................................................... 74
7. WIRING DIAGRAM ....................................................................................... 83
7.1 Interconnect Signal Diagram .................................................................... 83
7.2 PCB Layout............................................................................................... 85
7.2.1 Main Control Board (HBX PCB) ...................................................................... 85
7.2.2 High-Voltage Power Supply Board.................................................................. 85
8. PARTS LIST................................................................................................... 86
APPENDIX A LOCAL PRINTING / DEMO PAGE PRINTING ....................... 93
APPENDIX B PARALLEL INTERFACE ........................................................ 95
APPENDIX C MACINTOSH INTERFACE...................................................... 97
APPENDIX D USB INTERFACE (BY USB PRINTER CABLE)..................... 99
APPENDIX E MAINTENANCE UTILITY MANUAL ...................................... 100
41260201TH Draft 6 /
Electro-photographic
Processor
Paper Feed Mechanism
ENGINE UNIT
Hopper
Plate
Main High-Voltage
Power Supply Board
Sub High-Voltage
PowerSupply Board
Power Supply Unit
Main Control Board
Figure 1-1
1. CONFIGURATION
1.1 System Configuration
The OKIPAGE 8iM consists of a control block, a power supply unit, and an engine block. (See
Figure 1-1.)
41260201TH Draft 7 /106
I/D Unit (Type 6)
Upper Cover Assy
Top Cover Assy
Heat Assy
Main Control Board
High-voltage Power
Supply Board (P6L)
High-voltage Power
Supply Board (P2H)
1.2 Printer Configuration
The printer unit consists of the following five hardware components:
• Electro-Photographic Processor
• Paper Feeder
• Main Control Board
• High-Voltage Power Supply Board (two Boards)
• Power Supply Unit
Figure 1-2 is the configuration of the printer unit.
Figure 1-2
41260201TH Draft 8 /106
1.3 Specification
(1) Type Desktop
(2) Outside dimensions Height 6.7” (170 mm)
(excludes protruding Width 12.8” (324 mm)
portion) Depth 8.1” (207 mm)
(3) Weight 4.2 kg (with Image Drum Cartridge and Toner Cartridge)
(4) Development method Dry non-magnetic development system
Exposure method LED stationary head
(5) Paper used <Type>
• Standard paper
– Xerox 4200 (20 lbs)
• Application paper (manual face-up feed)
– Label
– Envelope
– OHP paper (Transparency)
<Size>
14" (355.6 mm) x 8.5" (215.9 mm) (Max.)
5" (127mm) x 3" (76.2mm) (Min.)
<Thickness>
– Automatic feed: 16 to 28 lbs (60 to 105 g/m2)
– Manual feed: Label,Envelope, OHPpaper (transpar-
ency), 16 to 32 lbs (60 to 120g/m2)
(6) Printing speed First print: 13 seconds (A4) (after warm-up)
Continuous print: 8.1 sheets/minute (Letter)
7.7 sheets/minute (A4)
Warm-up time: 35 seconds (120 VAC for ODA, 230
VACforOEL/INT)(atroomtemperature
77 ˚F (25 ˚C))
(7) Paper feeding method Automatic paper feed or manual paper feed
(8) Paper delivery method Face up
(9) Resolution 600 dpi x 600 dpi
(10)Power input 230 VAC ±10% (for OEL)
120 VAC +6%, -15% (for ODA)
(11)Power consumption Peak: Approx. 450W
Typical operation: Approx. 160W
Idle: Approx. 32W
Power save mode: Approx. 6W
41260201TH Draft 9 /106
(12)Temperature and humidity
Temperature
During operation
In storage
10 to 32 ˚C
–10 to +43 ˚C
20 to 80% RH (relative humidity)
10 to 90% RH (relative humidity)
No condensation is permissible.
Humidity
Caution:
TemperatureandhumidityinstoragearemeasuredwiththeOKIPAGE8iMbeing
packed; they are valid for one year.
(13)Noise During operation: Avg. 50 dB (A), slow (without peak sounds)
(conformity with ANSI) Standby: Background level
(14)Consumables Toner cartridge kit 1,500 (5% duty) ........ 45g cartridge kit
Image drum cartridge 10,000 (at continuous printing)
41260201TH Draft 10 /106
1.4 Safety Standards
1.4.1 Certification Label
The safety certification label is affixed to the following location of the OKIPAGE 8iM
1.4.2 Warning Label
Warning labels are affixed to the locations that may cause bodily injury.
During maintenance, do work with enough care while following instructions on these warning
labels.
For OEL
For ODA, OEL
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