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COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON CLC5000 REV.0 JAN. 2001
vii
CONTENTS
Contents
CHAPTER 1 GENERAL DESCRIPTION
1 Exposure System ................................ 2-1
1.1 Outline of the Original Exposure
System ........................................ 2-1
1.2 Comparison of Exposure
Systems ...................................... 2-2
1.3 Basic Sequence of Operations
(exposure system) ...................... 2-3
1.3.1 Scanner Home Position Sensor
and Operations ..................... 2-3
1.3.2 Sequence of Operations ....... 2-4
1.4 Scanner Motor ........................... 2-5
1.4.1 Outline ................................. 2-5
1.4.2 Operations............................ 2-5
1.5 Controlling the Intensity of the
Scanning Lamp .......................... 2-6
1.5.1 Outline ................................. 2-6
1.5.2 Operations............................ 2-6
1.6 Disassembly/Assembly .............. 2-8
1.6.1 Removing the Scanner
Motor ................................... 2-9
1.6.2 Removing the Lens Base Cover/
CCD Cover/CCD Unit ....... 2-10
1.6.3 Removing the Scanner
Cover ................................. 2-11
2 Image Processing System ................. 2-12
2.1 Outline of the Image Processing
System ...................................... 2-12
2.2 Differences in the Image
Processing System ................... 2-13
2.3 Functional Blocks .................... 2-14
2.4 IP Memory Board .................... 2-15
2.5 Direct Mapping ........................ 2-15
3 Laser System..................................... 2-16
3.1 Outline of the Laser System .... 2-16
3.2 Differences in the Laser
System...................................... 2-16
3.3 Image Formation Using 800
Lines......................................... 2-17
3.4 Image Position Correction
Sequence in Standby ................2-18
3.4.1 Outline ............................... 2-18
3.4.2 Timing of Operation .......... 2-18
3.5 Disassembly/Assembly ............ 2-19
3.5.1 Preparing for Laser
Unit-Related Work ............. 2-20
3.5.2 Removing the Laser Unit
Motor ................................. 2-23
1 Specifications...................................... 1-1
1.1 Type............................................ 1-1
1.2 Functions.................................... 1-2
1.3 Others ......................................... 1-4
1.3.1 Copier .................................. 1-4
1.4 Default Ratios ............................ 1-6
1.5 Copying Speed ........................... 1-7
2 Safety .................................................. 1-8
2.1 Safety of Laser Light ................. 1-8
2.2 CDRH Ordinance ....................... 1-9
2.3 Handling Parts Associated with the
Laser Unit ................................ 1-10
3 Names of Parts .................................. 1-12
3.1 External View ........................... 1-12
3.2 Cross Section ........................... 1-14
4 Control Panel .................................... 1-16
4.1 Control Panel ........................... 1-16
4.1.1 Instructions to the User...... 1-17
4.2 List of User Modes .................. 1-19
5 Routine Maintenance by the User .... 1-20
5.1 Cleaning the Outside................ 1-20
5.2 Checking the Leakage Breaker 1-20
CHAPTER 2 NEW FUNCTIONS