Table Of Contents - Oki B930 Service Manual

Chapter 1 Introduction.................................................................................................... 1-1
Conventions...............................................................................................................................................1-1
Safety ........................................................................................................................................................1-1
Laser Beams .......................................................................................................................................1-1
Chapter 2 Principles of Operation ................................................................................. 2-1
Engine .......................................................................................................................................................2-1
Summary of Print Process ..................................................................................................................2-1
Driving Force Transmission Path ........................................................................................................2-4
Main Motor....................................................................................................................................2-4
Drum Motor...................................................................................................................................2-5
Paper Transport ..................................................................................................................................2-5
Paper Transport Path ...................................................................................................................2-5
Layout of Paper Transport Path ...................................................................................................2-6
Functions of Main Components ..........................................................................................................2-7
Paper Cassette .............................................................................................................................2-7
Paper Feeder................................................................................................................................2-8
MPF ..............................................................................................................................................2-9
Xero ............................................................................................................................................2-11
Fuser ..........................................................................................................................................2-13
Exit..............................................................................................................................................2-14
Drive..................................................................................................................................................2-15
Electrical Components and Controller ........................................................................................2-16
Control...............................................................................................................................................2-17
Paper Size Control .....................................................................................................................2-17
ROS Control ...............................................................................................................................2-18
Fuser Control..............................................................................................................................2-18
Schematic Diagram of Safety System ........................................................................................2-19
1000 Sheet Feeder..................................................................................................................................2-19
Driving Force Transmission Path ......................................................................................................2-19
Main Motor..................................................................................................................................2-19
Paper Transport ................................................................................................................................2-20
Paper Transport Path .................................................................................................................2-20
Layout of Paper Transport Path .................................................................................................2-21
Paper Transport ................................................................................................................................2-22
Paper Transport Path .................................................................................................................2-22
Layout of Paper Transport Path .................................................................................................2-23
Functions of Main Components ........................................................................................................2-24
Paper Cassette ...........................................................................................................................2-24
Paper Feeder..............................................................................................................................2-25
Main Components ......................................................................................................................2-27
Control...............................................................................................................................................2-28
Paper Size Control .....................................................................................................................2-28
Exit 2........................................................................................................................................................2-29
Driving Force Transmission Path ......................................................................................................2-29
Motor Assy Exit 2........................................................................................................................2-29
Motor Assy-offset........................................................................................................................2-29
Paper Transport ................................................................................................................................2-30
Paper Transport Path .................................................................................................................2-30
Layout of Paper Transport Path .................................................................................................2-30
Functions of Main Components ........................................................................................................2-31
Contents
TOC-1