Oki OKIPAGE 8z Come usare
OKIPAGE 8z
LED Page Printer
Service Handbook
Oki Data
2000.6.30
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.
CONTENTS
1. CONFIGURATION..................................................................................... 1 - 1
1.1 System Configuration ........................................................................ 1 - 1
1.2 Printer Configuration.......................................................................... 1 - 2
1.3 Option(OKIPAGE 8p Only) ................................................................ 1 - 3
1.4 Specification ...................................................................................... 1 - 4
1.5 Safety Standards ............................................................................... 1 - 6
1.5.1 Certification Label.................................................................................... 1 - 6
1.5.2 Warning Label .........................................................................................1 - 6
2. OPERATION DESCRIPTION .................................................................... 2 - 1
2.1 Main Control Board............................................................................ 2 - 3
2.2 Power Supply Unit ............................................................................. 2 - 5
2.3 High-Voltage Power Supply Board .................................................... 2 - 5
2.4 Electro-Photographic Processor........................................................ 2 - 7
2.5 Electro-Photographic Process ........................................................... 2 - 11
2.5.1 Explanation of Each Process Operation.................................................. 2 - 13
2.6 Paper Jam Detection ......................................................................... 2 - 19
2.7 Toner Low Detection.......................................................................... 2 - 21
2.8 Cover Open ....................................................................................... 2 - 22
2.9 Detecting ID existence....................................................................... 2 - 23
3. PARTS REPLACEMENT........................................................................... 3 - 1
3.1 Precautions for Parts Replacement................................................... 3 - 1
3.2 Parts Layout....................................................................................... 3 - 3
3.3 Replacing Parts ................................................................................. 3 - 7
3.3.1 Hopper Plate ........................................................................................... 3 - 7
3.3.2 LED Head and Head Spring.................................................................... 3 - 8
3.3.3 Transfer Roller.........................................................................................3 - 9
3.3.4 Upper Cover Assy ...................................................................................3 - 10
3.3.5 High-Voltage Power Supply Board (P2H/ P6L) ....................................... 3 - 11
3.3.6 Top Cover Assy and Flat Cable Assy...................................................... 3 - 12
3.3.7 Paper Holder ...........................................................................................3 - 13
3.3.8 Side Plate M and Idle Gear .....................................................................3 - 14
3.3.9 Heat Assy ................................................................................................ 3 - 15
3.3.10 Drive Shaft E (Eject) and Eject Roller ..................................................... 3 - 18
3.3.11 Pressure Roller B (Back Up Roller)......................................................... 3 - 19
3.3.12 Separator Guide ...................................................................................... 3 - 20
3.3.13 Pulse Motor (Main) .................................................................................. 3 - 23
3.3.14 Hopping Shaft Assy ................................................................................. 3 - 24
3.3.15 Resist Roller ............................................................................................ 3 - 25
3.3.16 Paper Sensor E, Paper Sensor Exit and Toner Sensor Assy ................. 3 - 26
3.3.17 Base Plate ............................................................................................... 3 - 27
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 - 1
5.2.1 Cleaning the LED Lens Array.................................................................. 5 - 1
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 - 3
6.5.1 Status Monitor Message List ................................................................... 6 - 3
6.5.2 Status Message Troubleshooting............................................................ 6 - 7
6.5.3 Image Troubleshooting............................................................................6 - 13
7. WIRING DIAGRAM................................................................................... 7 - 1
7.1 (a)Interconnect Signal Diagram (OKIPAGE 8p) ................................ 7 - 1
7.1(b)Interconnect Signal Diagram (OKIPAGE 8z)................................7 - 2
7.2.1 Main Control board (NMA PCB)(OKIPAGE 8p) ...................................... 7 - 3
7.2.2Main Control board (NMA PCB)(OKIPAGE 8z)......................................7 - 4
7.2.3 High-Voltage Power Sapply Board .......................................................... 7 - 5
8. PARTS LIST .............................................................................................. 8 - 1
APPENDIX A LOCAL PRINTING.............................................................. A - 1
APPENDIX B PARALLEL INTERFACE ................................................... B - 1
APPENDIX C MAINTENANCE UTILITY....................................................C - 1
APPENDIX D USB INTERFACE ...............................................................D - 1
1. CONFIGURATION
1 - 1
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
,
,
4MB Memory
Expansion Board
Figure 1-1
1. CONFIGURATION
1.1 System Configuration
TheOKIPAGE8zconsists ofa controlblock,a powersupplyunit, andan engineblock. (See
Figure 1-1.)
1 - 2
EP 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.
1 - 3
1.3 Option
(1) 4MB Option Memory Board
1 - 4
1.4 Specification
(1) Type Desktop
(2) Outside dimensions Height 5.9” (150 mm)
(excludes protruding Width 12.2” (310 mm)
portion) Depth 7.5” (191 mm)
(3) Weight 3.8 kg
(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) (Max.) x 8.5" (215.9 mm)
<Thickness>
– Automatic feed: 16 to 28 lbs (60 to 105 g/m2)
– Manual feed: Label,Envelope,OHPpaper(transpar-
ency)
(6)Printing speedFirst print:13 seconds (A4) (after warm-up)
Continuous print: 4 sheets/minute (A4)
Warm-up time:35 seconds (120 VAC for ODA, 230
VAC for OEL/INT) (at room tempera-
ture 77 ˚F (25 ˚C))
(7) Paper feeding method Automatic paper feed or manual paper feed
(8) Paper delivery method Face down
(9)Resolution300 x 300, 300 x 1200 dpi
(10) Power input 230 VAC ±10% (for OEL/INT)
120 VAC +6%, -15% (for ODA)
(11) Power consumption Peak: Approx. 450W
Typical operation: Approx. 100W
Idle: Approx. 30W
Power save mode: Approx. 5W
1 - 5
(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:
Temperature and humidity in storage are measured with the OKIPAGE 8z
being packed; they are valid for one year.
(13)Noise During operation: 48 dB (A) or less
Standby: 38 dB (A) or less
(14)Consumables Toner cartridge kit 1,500 (5% duty) ........ 45g cartridge kit
Image drum cartridge10,000 (at continuouts printing)
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