CHAPTER 4 IMAGE FORMATION SYSTEM
4-2
COPYRIGHT
©
1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
PCB
CCD PCB
Image processor PCB
System motherboard
Super G3 FAX Board-F1
(accessory)
PDL I/F board
Printer Motherboard
SCSI Interface Board
Description
• CCD drive
•
AE processing (ABC processing)
• A/D conversion
• Shading correction
• Various image processing
• Density processing
• Binary processing
• Screen processing
• Resolution conversion (for
fax image)
•
Smoothing (for image memory)
• Compression/decompression
• Image storage
• Relays image signals to and
from extension boards
• Supplies power to the Super
G3 FAX Board
Sends/receives image data
through a modem
Synchronizes image signals form
extension printers
Supplies 12 V to the Extension
Printer Board
Transfers images read by the
copies to an external computer
Remarks
5 V to SCSI Board
Table 4-100
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