Chapter 4 Image Formation System; Outline - Canon GP335 Service Manual

I. OUTLINE
The image processing system converts optical images projected onto the CCD into electrical
signals (image signals) for correction and processing.
Various correction and processing are performed in the following PCBs, each sending
resulting image signals to the next PCB.
Analog image processing block
CCD
CCE PCB
Shading correction
Binary processing
Screen processing
Resolution conversion
(for fax)
Smoothing
Extension boards
(accessory)
Super G3 FAX Board-F1
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
A-D
conversion
Digital image processing block
Image processor PCB
System motherboard

CHAPTER 4 IMAGE FORMATION SYSTEM

Image memory
Compression/
decompression
SCSI I/F
board
Printer Motherboard
Figure 4-100
Laser exposure system
Laser driver PCB
PBL I/F Board
Printer Board
4-1