Canon PC920 Service Manual page 9

Service manual
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I.
FANS ............................................7-1
II.
POWER SUPPLY SYSTEM .........7-3
System ..................................7-3
B. Power Supply Circuit .............7-4
PCB .......................................7-6
Circuit ....................................7-6
I.
ADF ..............................................8-1
A. Outline ...................................8-1
Basic Construction ................8-2
C. Basic Operations ...................8-4
D. Detecting an Original ............8-6
E. Pickup Operation ...................8-8
Delivery .............................. 8-12
G. Controlling the Pickup
Motor .................................. 8-14
I.
SELECTING A SITE ....................9-1
II.
INSTALLATION ............................9-2
A. Unpacking and Installation ....9-2
I.
PARTS ....................................... 10-1
II.
CONSUMABLES ...................... 10-1
THE CARTRIDGE ..................... 10-2
COPYRIGHT © 1999 CANON INC.
CHAPTER 8 ADF
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
III. DISASSEMBLY/ASSEMBLY ........7-7
A. External Covers .....................7-8
B. Control Panel...................... 7-15
C. Copyboard Glass ............... 7-16
D. Main Motor/Main Drive
Assembly ............................ 7-17
E. Electrical System ............... 7-21
H. Controlling the Belt Motor .. 8-15
I.
Detecting Original Jams ..... 8-16
J.
Power Supply ..................... 8-17
II.
DISASSEMBLY/ASSEMBLY ..... 8-18
A. Removing the ADF ............. 8-19
B. External Covers .................. 8-21
C. Drive System ...................... 8-23
D. Feeding System ................. 8-26
E. Electrical System ............... 8-33
B. Placing Copy Paper...............9-9
III. MOVING THE MACHINE .......... 9-12
A. Storing the Cartridge with the
Packaging Seal Intact ........ 10-2
B. Storing and Handling the
Cartridge with the Packaging
Seal Removed .................... 10-3
vii

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