Canon IMAGE READER-B1 Посібник з експлуатації - Сторінка 9
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CHAPTER 1 INTRODUCTION
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
CHAPTER 2 SEQUENCE OF OPERATIONS
1
Basic Operations ............................ 2-1P
1.1 Functional Construction .......... 2-1P
1.2 Outline for the Electrical
1.2.1
1.2.2
1.3 Basic Sequence of
CHAPTER 3 LASER EXPOSURE SYSTEM
1
Outline of Operations ..................... 3-1P
1.1 Outline ..................................... 3-1P
1.2 Sequence of Operations
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
CHAPTER 4 IMAGE FORMATION SYSTEM
1
Outline of Processes ....................... 4-1P
1.1 Outline ..................................... 4-1P
1.2 Basic Sequence of Operations
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Circuitry ................................... 2-2P
Outline ............................... 2-2P
DC Controller PCB ............ 2-2P
Operations ................................ 2-3P
(laser exposure system) ............ 3-3P
(image formation system) ......... 4-3P
1.4 Safety of Toner ......................... 1-4P
2
Image Formation System ............... 1-5P
2.1 Outline ..................................... 1-5P
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
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
5.1.2 Cleaning the Laser Unit (1) .... 3-10P
5.1.3 Mounting the Laser Cover ...... 3-11P
5.1.4 Cleaning the Laser Unit (2) .... 3-11P
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
3300 REV.1 JAN. 2002
CONTENTS
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