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2001 CANON INC. 2000 2000 2000 2000 CANON CLC5000 REV.0 JAN. 2001
viii
CONTENTS
3.5.3 Removing the C Image Position
Correction Mirror Unit ...... 2-25
3.5.4 Mounting the C Image Position
Correction Mirror Unit ...... 2-26
3.5.5 Removing the C Slant
Correction Motor ............... 2-27
3.5.6 Removing the C Ratio
Correction Motor ............... 2-28
3.5.7 Shifting the scanner Unit... 2-29
4 Image Formation System .................. 2-34
4.1 Outline of the Image Formation
System...................................... 2-34
4.2 Differences in the Image Formation
System...................................... 2-35
4.3 Auto Gradation Correction
(PASCAL) ................................ 2-37
4.3.1 Outline ............................... 2-37
4.3.2 Operations
(full correction).................. 2-37
4.3.3 Operations
(quick correction) .............. 2-42
4.4 Transfer Unit ............................ 2-44
4.4.1 Outline ............................... 2-44
4.4.2 Cleaning Mechanism for
the Transfer Belt ................ 2-45
4.5 Disassembly/Assembly ............ 2-49
4.5.1 Charging System ............... 2-50
4.5.2 Process Unit System .......... 2-54
4.5.3 Transfer Belt Unit .............. 2-66
4.5.4 Transfer Belt Base ............. 2-82
5 Pickup/Feed System ......................... 2-86
5.1 Outline of the Pickup/
Feed System ............................. 2-86
5.2 Differences in the Pickup/
Feed System ............................. 2-87
5.3 Cassette Pickup Assembly ....... 2-90
5.3.1 Outline ............................... 2-90
5.3.2 Cassette Lifter Operation... 2-92
5.3.3 Sequence of Operations
(pickup).............................. 2-93
5.4 Multifeeder Pickup Assembly.. 2-94
5.4.1 Operations.......................... 2-94
5.4.2 Sequence of Operations
(multifeeder pickup) .......... 2-95
5.4.3 Releasing the Registration
Roller ................................. 2-96
5.5 Duplex Unit.............................. 2-97
5.5.1 Outline ............................... 2-97
5.5.2 Feeding in Duplex Mode ... 2-98
5.5.3 Sequence of Operations in
Duplex Mode (1st side) ... 2-100
5.5.4 Pickup from the Duplex
Unit .................................. 2-101
5.6 Detecting Jams ....................... 2-103
5.6.1 Outline .............................2-103
5.6.2 Sequence of Jam
Detection.......................... 2-103
5.7 Disassembly/Assembly .......... 2-104
5.7.1 Removing the Multifeeder
Assembly .........................2-105
5.7.2 Removing the Cassette Pickup
Assembly .........................2-106
5.7.3 Removing the Re-Pickup
Assembly .........................2-108
5.7.4 Removing the Re-Pickup
Motor ............................... 2-109
5.7.5 Removing the Re-Pickup Unit
Clutch .............................. 2-110
5.7.6 Removing the Re-Pickup
Shutter Solenoid .............. 2-111
5.7.7 Removing the Duplex Unit
Feed roller........................ 2-112
5.7.8 Removing the Pre-Fixing
Feeding Assembly ........... 2-112
5.7.9 Removing the Pre-Duplex
Feeding Unit .................... 2-113
5.7.10 Delivery/Reversing
Assembly .........................2-116
6 Fixing System ................................. 2-120
6.1 Outline of the Fixing System . 2-120
6.2 Outline of the Fixing System . 2-121
6.3 Outline of the Fixing/Delivery
Assembly ............................... 2-123
6.4 Controlling the Fixing Roller
Temperature ........................... 2-124
6.5 Controlling the Fixing Oil
Temperature ........................... 2-126
6.6 Protective Mechanisms .......... 2-127
6.6.1 Detecting Overheating
(software) .........................2-127