Canon CLC 1120 Service Manual page 15

CHAPTER 9 EXTERNAL / AUXILIARY MECHANISM
I. CONTROL PANEL ......................9-1
A. Outline ....................................9-1
II. DOWNLOADING .........................9-2
A. Outline ....................................9-2
III. COUNTERS ................................9-3
A. Outline ....................................9-3
IV. FANS ...........................................9-4
A. Outline ....................................9-4
B. Operations..............................9-6
1. 2-Speed Rotation
Control..............................9-6
2. Sequence of
Operations........................9-6
V. POWER SUPPLY ........................9-7
A. Supplying Power ....................9-7
1. Outline ..............................9-7
2. Distribution of Power
among Switches ...............9-8
B. Rated Outputs of the DC
Power Supply PCB .............. 9-10
C. Protection System ............... 9-11
D. Backup Battery .................... 9-12
VI. EDITOR .................................... 9-13
A. Outline ................................. 9-13
B. Operations........................... 9-13
C. Zero-Adjustment of Input
Coordinates ......................... 9-15
VII. DISASSEMBLY/ASSEMBLY .... 9-16
A. Covers ................................. 9-17
1. External Covers ............ 9-17
2. Right Upper Cover ........ 9-17
3. Left Inside Cover ........... 9-18
4. Transfer Drum Frame
Cover ............................. 9-18
5. Fixing Assembly
Cover ............................. 9-18
6. Transfer Drum
Frame Right Cover ........ 9-19
7. Removing the
Copyboard Glass .......... 9-19
8. Removing the Upper
Cover ............................. 9-20
B. Control Panel ...................... 9-21
COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
1. Removing the Control
Panel ............................. 9-21
2. Removing the Control
Panel PCB ..................... 9-21
3. Removing the LCD
PCB ............................... 9-21
4. Removing the Numeric
Key pad PCB ................. 9-22
C. Editor ................................... 9-23
1. Removing the Editor
Controller PCB .............. 9-23
2. Removing the Editor
Mirror ............................. 9-24
D. Flywheel .............................. 9-25
1. Removing the
Flywheel ........................ 9-25
2. Points to Note When
Handling the Flywheel .. 9-25
E. Fans .................................... 9-26
1. Outline ........................... 9-26
F. Drive System Belt Layout .... 9-27
G. Drum Motor Assembly ........ 9-27
1. Removing the Drum
Motor (M2)..................... 9-27
2. Mounting the Drum Motor
Assembly ....................... 9-29
H. Main Motor (M4) Drive
Assembly ............................. 9-31
1. Removing the Main
Motor (M4)..................... 9-31
I. CPU PCB ............................ 9-32
1. Removing the CPU
PCB ............................... 9-32
2. Replacing the CPU
PCB ............................... 9-32
3. Replacing the Flash
Memory
on the CPU PCB ........... 9-32
J. HVT PCB............................. 9-34
1. Removing the HVT
PCB ............................... 9-34
K. Developing Bias PCB .......... 9-34
1. Removing the
Developing Bias PCB .... 9-34
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