COPYRIGHT © 2001 CANON INC.
2000 2000 2000 2000
CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CONTENTS
P 1
Contents
CHAPTER 1 INTRODUCTION
CHAPTER 2 SEQUENCE OF OPERATIONS
1
Safety .............................................. 1-1P
1.1
Safety of Laser Light ............... 1-1P
1.2
CDRH Ordinances ................... 1-1P
1.3
Handling the Laser System ...... 1-3P
1.4
Safety of Toner ......................... 1-4P
2
Image Formation System ............... 1-5P
2.1
Outline ..................................... 1-5P
1
Basic Operations ............................ 2-1P
1.1
Functional Construction .......... 2-1P
1.2
Outline for the Electrical
Circuitry ................................... 2-2P
1.2.1
Outline ............................... 2-2P
1.2.2
DC Controller PCB ............ 2-2P
1.3
Basic Sequence of
Operations ................................ 2-3P
1.3.1
Basic Sequence of
Operations at Power-On ... 2-3P
1.4
Controlling the Main Motor
(M2) ......................................... 2-5P
1.4.1
Outline ............................... 2-5P
1.5
Inputs to and Outputs from
the Major PCBs ........................ 2-6P
1.5.1
Wiring Diagram of the
Major PCBs ....................... 2-6P
CHAPTER 3 LASER EXPOSURE SYSTEM
1
Outline of Operations ..................... 3-1P
1.1
Outline ..................................... 3-1P
1.2
Sequence of Operations
(laser exposure system) ............ 3-3P
2
Generating Sync Signals ................. 3-3P
2.1
Outline ...................................... 3-3P
2.2
Flow of Sync signals ................ 3-4P
3
Laser Driver Circuit ........................ 3-5P
3.1
Controlling the Laser Unit ........ 3-5P
4
Controlling the Laser Scanner
Motor .............................................. 3-7P
4.1
Outline ...................................... 3-7P
5
Disassembly and Assembly ............ 3-8P
5.1
Laser Scanner Assembly .......... 3-9P
5.1.1 Removing the Laser Unit .......... 3-9P
CHAPTER 4 IMAGE FORMATION SYSTEM
1
Outline of Processes ....................... 4-1P
1.1
Outline ..................................... 4-1P
1.2
Basic Sequence of Operations
(image formation system) ......... 4-3P
2
Controlling the Primary Charging
Roller Bias ...................................... 4-4P
2.1
Outline ...................................... 4-4P
2.2
Turning On/Off the Bias ........... 4-5P
2.2.1
DC Bias ............................. 4-5P
Summary of Contents for iR2200 Series
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