Oki OKIPAGE 6e Manuale utente
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OKIPAGE6e/6ex
LED Page Printer
Maintenance Manual
ODA/OEL/INT
PREFACE
This Maintenance Manual describes the field maintenance methods for OKIPAGE 6e and OKIPAGE
6ex 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
1.3 Optional Configuration....................................................................... 1 - 3
1.4 Specification ...................................................................................... 1 - 5
1.5 Safety Standards ............................................................................... 1 - 7
1.5.1 Certification Label.................................................................................... 1 - 7
1.5.2 Warning Label .........................................................................................1 - 8
1.5.3 Warning/Caution Marking ........................................................................ 1 - 9
2. OPERATION DESCRIPTION .................................................................... 2 - 1
2.1 Control Board..................................................................................... 2 - 4
2.2 PS Board ........................................................................................... 2 - 6
2.3 RAM Board ........................................................................................ 2 - 7
2.4 Power Supply Board.......................................................................... 2 - 8
2.5 Electrophotographic Process............................................................. 2 - 10
2.5.1 Electrophotographic Process Mechanism ............................................... 2 - 10
2.5.2 Electrophotographic Process .................................................................. 2 - 13
2.5.3 Process Operation Descriptions .............................................................. 2 - 16
2.6 Paper Jam Detection ......................................................................... 2 - 27
2.7 Cover Open ....................................................................................... 2 - 30
2.8 Toner Low Detection.......................................................................... 2 - 31
3. PARTS REPLACEMENT........................................................................... 3 - 1
3.1 Precautions for Parts Replacement................................................... 3 - 1
3.2 Parts Layout....................................................................................... 3 - 3
3.3 How to Change Parts......................................................................... 3 - 6
3.3.1 Upper Cover ............................................................................................ 3 - 7
3.3.2 Stacker ....................................................................................................3 - 8
3.3.3 LED Head ................................................................................................ 3 - 9
3.3.4 Eject Roller Assy ..................................................................................... 3 - 10
3.3.5 Pulse Motor (Main) .................................................................................. 3 - 11
3.3.6 Pulse Motor (Registration)....................................................................... 3 - 12
3.3.7 Lower Base Unit ...................................................................................... 3 - 13
3.3.8 Motor Assy ..............................................................................................3 - 14
3.3.9 Hopping Roller Assy ................................................................................3 - 15
3.3.10 Stacker Cover Assy ................................................................................. 3 - 16
3.3.11 Registration Roller ................................................................................... 3 - 17
3.3.12 Transfer Roller.........................................................................................3 - 18
3.3.13 Fusing Unit Assy .....................................................................................3 - 19
3.3.14 Back-up Roller .........................................................................................3 - 20
3.3.15 Sensor Plate (Inlet)..................................................................................3 - 21
3.3.16 Toner Sensor (Adhesion) ........................................................................ 3 - 22
3.3.17 Sensor Plate (Outlet) ............................................................................... 3 - 23
3.3.18 Manual Feed Guide Assy ........................................................................ 3 - 24
3.3.19 Sensor Plate (Paper Supply) ................................................................... 3 - 25
3.3.20 Main Control PCB.................................................................................... 3 - 26
3.3.21 Power Supply Board and Contact Assy .................................................. 3 - 27
3.3.22 Transformer............................................................................................. 3 - 28
3.3.23 Cassette Guide L.....................................................................................3 - 29
3.3.24 Cassette Guide R .................................................................................... 3 - 30
4. ADJUSTMENT........................................................................................... 4 - 1
4.1 Adjustment......................................................................................... 4 - 1
4.1.1 Maintenance Functions ........................................................................... 4 - 1
4.2 Adjustment......................................................................................... 4 - 10
4.2.1 Maintenance Modes and Functions ........................................................ 4 - 10
4.3 Adjustment When Replacing a Part................................................... 4 - 12
4.3.1 Adjustment at the Time of Part Replacement
(OKIPAGE6e 300dpi LED head) ............................................................. 4 - 12
4.3.2 Adjustment When Replacing a Part (OKIPAGE6ex 600dpi LED head) .. 4 - 14
4.3.3 Uploading / Downloading EEPROM data................................................ 4 - 17
5. PERIODICAL MAINTENANCE ................................................................. 5 - 1
5.1 Periodical Replacement Parts ........................................................... 5 - 1
5.2 Cleaning............................................................................................. 5 - 1
5.2.1 Cleaning of 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 Tips for Correcting Image Problems .................................................. 6 - 1
6.4 Preparation for Troubleshooting ........................................................ 6 - 2
6.5 Troubleshooting Flow ........................................................................ 6 - 3
6.5.1 Status Message/Trouble List ................................................................... 6 - 3
6.5.2 Status Message Troubleshooting............................................................ 6 - 24
6.5.3 Image Troubleshooting............................................................................6 - 36
7. WIRING DIAGRAM.................................................................................... 7 - 1
7.1 Interconnect Signal Diagram ............................................................. 7 - 1
7.2 PCB Layout and Connector Signal List ............................................. 7 - 3
7.3 Resistance Check.............................................................................. 7 - 15
7.4 Short Plug Setting.............................................................................. 7 - 17
8. PARTS LIST .............................................................................................. 8 - 1
Appendix A Centronics Parallel Interface................................................. A - 1
B LocalTalk (RS422) Serial Interface........................................ B - 1
C Diagnostics Test..................................................................... C - 1
D Maintenance Utility Overview................................................ D - 1
E Multi-Purpose Feeder Maintenance...................................... E - 1
F High Capacity Second Paper Feeder Maintenance............. F - 1
1. CONFIGURATION
1 - 1
1. CONFIGURATION
1.1 System Configuration
OKIPAGE 6e and OKIPAGE 6ex consist of control and engine blocks in the standard configura-
tion, as shown in Figure 1-1.
In addition, the options marked with asterisk(*) are available.
Figure 1-1
Power Supply
and Sensor PCB
Electrophotographic
Processing Unit
Paper Feed Mechanism
(First Tray Unit)
*OKIPAGE 6ex
*OKIPAGE 6e/6ex
: PS Board with RAM
: RAM Board
Main Control PCB
Operator Panel
(OKIPAGE 6ex Only)
Paper
Cassette
Face
Down
Stacker
Engine Unit
* : Optional
* Legal/Universal
Paper Tray
#
* Hight Capacity
Second Paper Feeder
* Multi-Purpose
Feeder
1 - 2
1.2 Printer Configuration
The printer unit consists of the following hardware components:
• Electrophotographic Processor
• Paper Feeder
• Main Control PCB
• Operator Panel (OKIPAGE 6ex Only)
• Power Supply Unit
• PS Board (OKIPAGE 6ex Only)
The printer unit configuration is shown in Figure 1-2.
Toner cartridge
(consumables)
Operator panel assy Upper cover
Image drum unit
(consumable)
Stacker cover assy
Fusing unit
PS Board
Main Control PCB
• L5C or L5D: OKIPAGE6e
• L6A : OKIPAGE 6ex
Power supply board
Figure 1-2
1 - 3
1.3 Optional Configuration
Theoptionsshown belowareavailable for usewithOKIPAGE 6eandOKIPAGE 6ex. Theseare
available separately from the printer unit.
(1) 1MB Memory Expansion Board (OKIPAGE 6e/6ex)
(2) SIMM Memory
OKIPAGE 6e :1/2/4/8/16 Mbyte
OKIPAGE 6ex :1/2/4/8/16/32 Mbyte
(3) Legal/Universal Paper Cassette/
Legal/Universal cassette
Cassette cover
1 - 4
(4) High Capacity Second Paper Feeder
(5) Multi-Purpose Feeder
1 - 5
1.4 Specification
(1) Type Desktop
(2) External dimensions Height 6.3” (160 mm)
(excludes protruding Width 12.6” (320 mm)
portion) Depth 14.17” (360 mm)
(3) Weight 8 kg
(4) Developing method Dry electrophotography
Exposing 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>
• Standard sizes
– Letter (ODA)
– Legal (option)
– Executive
– Envelope
– A4
– A5
– B5
– A6
• Applicable sizes
– Width: 3.94” to 8.5” (100 to 216 mm)
– Length: 5.83” to 14” (148 to 355.6 mm)
<Thickness>
– Automatic feed: 16 to 24 lbs (60 to 90 g/m2)
– Manual feed: Label, OHP paper (transparency)
Envelope
(6) Printing speed First print: 17 sec.
Continuous print: 6 sheets/min. for letter size paper
Warm-up time: 60 sec. [at room temperature 77˚F
(25˚C) and rated voltage (120 VAC)]
(7) Paper feeding method Automatic feed or manual feed
(8) Paper delivery method Face down/face up
(9) Resolution 300 x 300 dots/inch (OKIPAGE 6e)
600 x 600 dots/inch (OKIPAGE 6ex)
600 x 1200 dots/inch (OKIPAGE 6ex)
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