Service manual

COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 4 IMAGE PROCESSING SYSTEM
4-1
I. OVERVIEW
The image processing system changes the optical image, which has been irradiated
onto the CCD, into an electrical signal (image signal), and then corrects and processes
it.
Figure 4-101
Analog processor
PCB
Image processor
PCB
Laser driver
PCB
CCD
A-D
conversion
circuit
Shading
correction
circuit
Image
processing
circuit
Laser
drive circuit
Binari-
zation
DC controller
PCB
Laser
exposure
control circuit
Photosensitive
drum
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