Oki B4100 Manuale utente
Oki Data CONFIDENTIAL
123456
Rev Date DCO No. Contents Design Approval
BOM Use for Certification Body
Approval
Check
Date Drawing No.
Name
Design
.....................................................................................................
.....................................................................................................
B4100
Monochrome LED Page Printer
Maintenance Manual
ODA
040623A
No.01
42640901TH
B4100
Maintenance Manual
186
2004-04-14
Hisao Ono Hisao Ono
42640901TH Rev.1 2 /
Oki Data CONFIDENTIAL
1 2004-04-01 ISSUE ME5 Ono
Rev.No. Date No.
Corrected items
Page Description of change Person in
charge
Document Revision History
42640901TH Rev.1 3 /
Oki Data CONFIDENTIAL
PREFACE
This Maintenance Manual describes the field maintenance methods for B4100 Monochrome 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.
42640901TH Rev.1 4 /
Oki Data CONFIDENTIAL
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
1.4.3 Warning/Caution Marking .......................................................................................... 11
2. PARTS REPLACEMENT........................................................................................ 12
2.1 Precautions for Parts Replacement................................................................ 12
2.2 Parts Layout.................................................................................................... 14
2.3 How to Change Parts...................................................................................... 17
2.3.1 Upper Cover Assy ..................................................................................................... 18
2.3.2 LED Head .................................................................................................................. 19
2.3.3 Operator Panel Assy ................................................................................................. 20
2.3.4 Lower Base Unit ........................................................................................................ 21
2.3.5 Pulse Motor (Main/Drum) .......................................................................................... 22
2.3.6 Pulse Motor (Registration)......................................................................................... 23
2.3.7 Face Up Stacker Assy ............................................................................................... 24
2.3.8 Eject Roller Assy ....................................................................................................... 25
2.3.9 Motor Assy.................................................................................................................26
2.3.10 Hopping Roller Shaft Assy......................................................................................... 27
2.3.11 Stacker Cover Assy ................................................................................................... 28
2.3.12 Registration Roller ..................................................................................................... 29
2.3.13 Roller Transfer Assy .................................................................................................. 30
2.3.14 Fusing Unit ................................................................................................................ 31
2.3.15 Back-up Roller ........................................................................................................... 32
2.3.16 Sensor Plate (Inlet).................................................................................................... 33
2.3.17 Sensor Plate (Outlet), Sensor Wire Assy .................................................................. 34
2.3.18 Manual Feed Guide Assy .......................................................................................... 35
2.3.19 Sensor Plate (Paper Supply) ..................................................................................... 36
2.3.20 GRG-5, 7 PCB........................................................................................................... 37
2.3.21 Power Supply Board and High Voltage/Sensor Board .............................................. 38
2.3.22 Cassette Guide L Assy .............................................................................................. 39
2.3.23 Cassette Guide R Assy ............................................................................................. 40
3. ADJUSTMENT........................................................................................................ 41
3.1 Adjustment Types and Functions ................................................................... 41
3.1.1 Status Monitor ........................................................................................................... 41
3.1.2 Maintenance Utility .................................................................................................... 41
3.2 Adjustment When Replacing a Part................................................................ 41
3.2.1 Uploading/Downloading EEPROM data .................................................................... 41
4. PERIODICAL MAINTENANCE .............................................................................. 42
4.1 Periodical Replacement Parts ........................................................................ 42
4.2 Cleaning.......................................................................................................... 42
4.2.1 Cleaning of LED Lens Array ...................................................................................... 42
4.2.2 Cleaning Page Function ............................................................................................ 43
42640901TH Rev.1 5 /
Oki Data CONFIDENTIAL
5. TROUBLESHOOTING PROCEDURES ................................................................. 44
5.1 Troubleshooting Tips ...................................................................................... 44
5.2 Check Points Before Correcting Image Problems .......................................... 44
5.3 Notes When Correcting Image Problems ....................................................... 44
5.4 Preparation Before Troubleshooting............................................................... 44
5.5 Troubleshooting.............................................................................................. 47
5.5.1 Status Monitor Message List ..................................................................................... 47
5.5.2 Status Message Troubleshooting .............................................................................. 51
5.5.3 Image Troubleshooting.............................................................................................. 58
6. WIRING DIAGRAM................................................................................................ 67
6.1 Interconnect Signal Diagram .......................................................................... 67
6.2 PCB Layout and Connector Signal List .......................................................... 68
6.3 Resistance Check........................................................................................... 75
APPENDIX A CENTRONICS PARALLEL INTERFACE (ODA230V/OEL/AOS ONLY) .... 77
APPENDIX B UNIVERSAL SERIAL BUS (USB)....................................................... 83
42640901TH Rev.1 6 /
Oki Data CONFIDENTIAL
1. CONFIGURATION
1.1 System Configuration
B4100 consists of control and engine blocks in the standard configuration, as shown in Figure 1-1.
Figure 1-1
Operrator Panel LED : 4
SW : 1
Drum
Motor
Paper
Cassette
ID
Unit
Paper Feeding
Mechanism
(First Tray Unit)
Hopping/
Registration
Motor
LED Head
Electrophotogarphic
Processing Unit
Fuser Unit
Halogen-Lamp
High Voltage Unit
and Sensor Board
IEEE1284
(ODA230V/OEL/AOS)
USB
AC
INPUT
Power Supply
Board
Face Down
Stacker
FAN
Main Control Board
42640901TH Rev.1 7 /
Oki Data CONFIDENTIAL
1.2 Printer Configuration
The printer unit consists of the following hardware components:
• Electrophotographic Processor
• Paper Feeder
• Controller
• Operator Panel
• Power Supply Unit
The printer unit configuration is shown in Figure 1-2.
Figure 1-2
Upper cover
Operator panel assy
Stacker assy
Legal/universal paper cassette
Image drum unit(Type9)
(consumable)
Toner-cartridge(Type9)
(consumable)
Power supply
High Voltage / sensor board
Main control board
42640901TH Rev.1 8 /
Oki Data CONFIDENTIAL
1.3 Specification
(1) Type Desktop
(2) External dimensions Height 7.9”(200 mm)
Width 14.0”(355 mm)
Depth 15.7”(400 mm)
(3) Weight Approx. 9 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
–Legal
–Legal-13
–Executive
–COM-9 *
–COM-10* [* Manual feed only]
–Monarch*
–DL*
–C5*
–A4
–A5
–B5 (JIS)
–A6
•Applicable sizes
–Width : 3.5”to 8.5”(90 to 216 mm)
–Length : 5.8”to 14”(148 to 355.6 mm)
<Thickness>
–Automatic feed : 16 to 28 lbs (60 to 105 g/m2)
–Manual feed : Label, OHP paper (transparency)
Envelope (24 to 28 lbs)
(6) Printing speed Continuous printing : 19 pages per minute with Letter size paper.
18 pages per minute with A4 size paper.
Warm-up time : 35 seconds typical at room temperature
[68˚F (20˚C), AC 120/230 V].
First page print time : 6.0 seconds typical for the Letter size paper
(6.2 seconds for the A4 size) after warm-up.
(7) Paper feeding method Automatic feed or manual feed
(8) Paper delivery method Face down/face up
(9) Resolution 600 ×600 dots/inch
600 ×1200 dots/inch
42640901TH Rev.1 9 /
Oki Data CONFIDENTIAL
(10)Power input 110~127 VAC ±10%
220~240 VAC ±10%
(11)Power consumption 120VAC 230VAC
Peak : Approx. 700W Approx. 700W
Typical operation : Approx. 340W Approx. 350W
Idle : Approx. 66W Approx. 68W
Power save mode : Approx. 8W Approx. 9W
(12) Temperature and humidity
1. Storage conditions specified above apply to printers in packed condition.
2. Temperature and humidity must be in the range where no condensation occurs.
In operation Power off mode During Storage Unit
Temperature
Humidity
Maximum wet bulb
temperature
Minimum diference
between wet and dry
bulb temperatures
50-90
(10-32)
20-80
77
(25)
35.6
(2)
°F
(°C)
%RH
°F
(°C)
°F
(°C)
32-110
(0-43)
10-90
80.4
(26.8)
35.6
(2)
14-110
(–10-43)
10-90
(13) Noise During operation : 53 dB (A) or less
Standby : 38 dB (A) or less
Quiet mode : Back ground level
(14) Consumables Toner cartridge kit 2,500 (5% duty)
Image drum cartridge 25,000 (at continuouts printing)
17,000 (3 page/job) without Power Save
11,000 (1 page/job) without Power Save
7,000 (1 page/job) with Power Save
(Minimum)
10
28
32
Temperature
(
°
C)
20 80 Humidity (%)
Operation range
42640901TH Rev.1 10 /
Oki Data CONFIDENTIAL
1.4 Safety Standards
1.4.1 Certification Label
The safety certification label is affixed to the printer in the position described below.
1.4.2 Warning Label
The warning labels are affixed to the sections which may cause bodily injury.
Follow the instructions on warning labels during maintenance.
Serial No.
Made In China
ODA AC : 120V model
ODA AC : 230V model
OEL AC : 230V model
AOS AC : 230V model
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