Table Of Contents - Canon CP660 Service Manual

CHAPTER 1 GENERAL DESCRIPTION
I. FEATURES ..............................................1-1
II. SPECIFICATIONS....................................1-2
A. Printer Unit .........................................1-2
III. SAFETY OF LASER LIGHT.....................1-6
IV. NAMES OF PARTS..................................1-7
A. External View .....................................1-7
B. Cross Section...................................1-11
V. USING THE CONTROL PANEL.............1-13
VI. NOTES TO THE USER ..........................1-15
VII. NOTES TO THE SERVICE PERSON ....1-16
A. Storing the Drum Cartridge and the
Toner Cartridges ..............................1-16
B. Points to Note When Handling the
Drum Cartridge and the Toner
Cartridges ........................................1-18
CHAPTER 2 BASIC OPERATION
I. BASIC OPERATIONS ..............................2-1
A. Functional Construction .....................2-1
B. Electrical Circuitry ..............................2-2
C. Inputs to and Outputs of the Major
PCBs. .................................................2-3
CHAPTER 3 LASER EXPOSURE SYSTEM
I. OUTLINE..................................................3-1
II. LASER CONTROL CIRCUIT ...................3-3
A. Outline................................................3-3
B. Image Signal Processing ...................3-5
C. Controlling the Laser Intensity ...........3-6
D. Horizontal Sync Control .....................3-7
E. Controlling the Laser Diode
Emission ............................................3-8
COPYRIGHT © 1999 CANON INC.
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CONTENTS
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
VIII. IMAGE FORMATION .............................1-20
A. Outline..............................................1-20
B. Latent Static Image Formation
Block ................................................1-22
C. Development Block ..........................1-25
D. Transfer Block ..................................1-27
E. ITD (intermediate transfer drum)
Cleaning Block .................................1-31
F. Photosensitive Drum Cleaning.........1-33
G. Fixing Block......................................1-34
D. Basic Sequence of Operations (used as
a printer)...........................................2-14
E. Controlling the Main Motor...............2-19
III. LASER SCANNER MOTOR.....................3-9
A. Controlling the Laser Scanner
Motor ..................................................3-9
IV. FAULT IN THE LASER SCANNER ........3-11
V. DISASSEMBLY/ASSEMBLY ..................3-12
A. Printer Unit External Covers ............3-13
B. Door Switch Actuator .......................3-22
C. Laser/Scanner Assembly .................3-25
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