Oki B4100 Maintenance Manual

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

Oki B4100 Specifications

Performance

print speed	19 pages per minute
CPU	200 MHz
time to first page	6.0 seconds
print resolution	1200 x 600 dpi
duty cycle	15, 000 pages per month

Memory

standard RAM	8 MB
maximum RAM	8 MB

Paper Handling

standard paper input	250-sheet Letter/Legal/Universal tray
paper size minimum	3.4" x 5.5"
paper size maximum	8.5" x 14"

Weight and Dimensions

size (WxDxH)	14" x 15.6" x 7.9"
size (WxDxH in cm)	35.5 cm x 39.5 cm x 20 cm
weight	22 lb. (10.0 kg)