Table Of Contents - Canon 1000 Service Manual

CHAPTER 1 GENERAL DESCRIPTION
I. FEATURES .............................................. 1-1
II. SPECIFICATIONS ................................... 1-2
A. Type .................................................. 1-2
B. Mechanisms ..................................... 1-2
C. Performance ..................................... 1-3
D. Others ............................................... 1-5
III. LASER AND SAFETY MEASURES ........ 1-9
A. DHHS ............................................... 1-9
CHAPTER 2 COPYING PROCESS
I. IMAGE FORMATION ............................... 2-1
A. Outline .............................................. 2-1
B. Static Latent Image
Formation Block ................................ 2-3
C. Pre-Exposure (step 1) ...................... 2-3
D. Primary Charging (step 2) ................ 2-4
E. Laser Exposure (step 3) ................... 2-4
F. Development (step 4) ....................... 2-5
G. Retention/Transfer (step 5) ............... 2-6
H. Separation (step 6) ........................... 2-7
I. Fixing (step 7) ................................... 2-7
CHAPTER 3 OPERATION AND TIMING
I. BASIC MECHANISMS ............................. 3-1
A. Functional Construction .................... 3-1
B. Outline of Electrical Circuitry ............ 3-2
C. Inputs to and Outputs from
Major PCBs ...................................... 3-3
D. Sequence of Basic Operations ....... 3-26
II. ORIGINAL EXPOSURE SYSTEM ......... 3-29
A. Outline ............................................ 3-29
B. Sequence of Basic Operations
(original exposure system) ............. 3-30
C. Scanner Motor ................................ 3-32
D. Changing the Reproduction Ratio .. 3-33
E. Controlling the Intensity of the
Scanning Lamp ............................... 3-34
III. IMAGE PROCESSING SYSTEM .......... 3-36
COPYRIGHT © 2001 CANON INC.
CONTENTS
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
B. CDRH ............................................... 1-9
C. Points to Note When Handling
the Laser Unit ................................. 1-10
IV. NAMES OF PARTS ................................ 1-11
A. External View .................................. 1-11
B. Cross Section ................................. 1-13
C. Control Panel .................................. 1-15
J. Photosensitive Drum Cleaning ......... 2-8
II. AUXILIARY PROCESS ............................ 2-9
A. Pre-Primary Charging ....................... 2-9
B. Pre-Fixing Charging .......................... 2-9
C. Grounding Roller ............................ 2-10
D. Static Eliminator .............................. 2-10
E. Transfer Belt Cleaning .................... 2-11
III. LIMITATIONS ......................................... 2-12
A. Outline ............................................ 2-12
B. Characteristics ................................ 2-12
A. Outline ............................................ 3-36
B. CCD/CCD Driver ............................ 3-37
C. Analog Image Processing ............... 3-38
D. Digital Image Processing ................ 3-39
IV. LASER EXPOSURE SYSTEM .............. 3-62
A. Outline ............................................ 3-62
B. Sequence of Operations
(laser exposure system) ................. 3-64
C. Laser Scanner Motor ...................... 3-65
D. Generating the BD Signal ............... 3-66
E. Video Controller .............................. 3-67
F. Laser Driver .................................... 3-72
G. Image Position Correction .............. 3-74
V. IMAGE FORMATION SYSTEM ............. 3-84
A. Outline ............................................ 3-84
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