Oki OKIPAGE4w, Service Manual, Page: 3 / 139

Table of Contents Page
Service Guide OKIPAGE4w
0 General Manual Information
Front Cover 1
Preface 2
1 Configuration
CONFIGURATION 3
Printer Configuration 4
Specification 5
Safety Standards - Certification Label 6
....Warning Label 7
2 Operation Description
OPERATION DESCRIPTION 8
Main Control Board 9
Power Supply Unit 10
High-Voltage Power Supply Board 11
Electro-Photographic Processor 12
Electro-Photographic Process 13
....Explanation of Each Operation - Hopping 14
....Printing and warm-up 15
....Charging 16
....Exposure 17
....Development 18
....Transfer 19
....Fusing 20
....Cleaning 21
Paper Jam Detection 22
Toner Low Detection 23
Cover Open 24
3 Parts Replacement
Parts Replacement 25
Precautions for Parts Replacement 26
Parts Layout 27
....Base Frame Unit 28
....Base Plate Unit 29
Replacing Parts 30
....Extend Plate 31
....LED Head and Head Spring 32
....Transfer Roller 33
....Upper Cover Assy 34
....High-Voltage Power Supply Board 35
....Top Cover Assy and Flat Cable Assy 36
....Paper Holder 37
....Side Plate M and Idle Gear 38
....Registration Roller 39
....Eject Roller Shaft and Eject Roller 40
....Fuser Assy 41
....Pressure Roller B (Back Up Roller) 42
....Separator Guide 43
....Pulse Motor (Main) 44
....Hopping Shaft Assy 45