COPYRIGHT
©
2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000
P1
CONTENTS
Contents
CHAPTER 1 GENERAL DESCRIPTION
1. Safety..............................................1-1P
1.1 Safety of Laser Light ...............1-1P
1.2 Regulations Under the Center
for Devices and Radiological
Health .......................................1-1P
1. Basic Operations ............................2-1P
1.1 Functional Construction ..........2-1P
1.2 Outline of Electrical Circuitry ... 2-2P
1.2.1 Outline ...............................2-2P
1.2.2 DC Controller PCB ...........2-2P
1.3 Sequence of Basic Operations ...2-4P
1.3.1 Basic Sequence of
Operations at Power-On ....2-4P
1.4 Controlling the Main Motor
(M2) .........................................2-6P
1.3 Handling the Laser Unit ...........1-3P
1.4 Safety of Toner .........................1-6P
2. Image Formation .............................1-7P
2.1 Outline ......................................1-7P
CHAPTER 2 SEQUENCE OF OPERATIONS
1.4.1 Outline ...............................2-6P
1.5 Inputs to and Outputs from
the Major PCBs ........................2-7P
1.5.1 Wiring Diagram of Major
PCBs ..................................2-7P
1.5.2 Inputs to the DC
Controller PCB ..................2-8P
1.5.3 Inputs to the DC
Controller PCB ................2-14P
CHAPTER 3 LASER EXPOSURE SYSTEM
1. Outline of Operations .....................3-1P
1.1 Outline .....................................3-1P
1.2 Basic Sequence of Operations
(laser exposure system)...........3-3P
2. Generating Sync Signals ................3-4P
2.1 Outline .....................................3-4P
2.2 Flow of Sync Signals ...............3-5P
3. Laser Driver Circuit .......................3-6P
3.1 Controlling the Laser ...............3-6P
4. Controlling the Laser Scanner
Motor ..............................................3-9P
4.1 Outline ......................................3-9P
5. Disassembly and Assembly ..........3-10P
5.1 Scanner Unit ...........................3-11P
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