Canon GP215 Service Manual page 84

3. OPERATIONS AND TIMING
PCB
Analog processor PCB
Image processor PCB
CORE/IP
FAX Board
Protocol controller PCB
3–30
COPYRIGHT © 1996 CANON INC.
Correction/processing
• A-D conversion
• ABC (auto background control)
• Shading correction
• Reproduction ratio processing
• Filter processing
• Negative/positive reversal
• Framing/blanking
• Density processing
• Binary processing (for copy
images)
• D/A conversion
• Binary processing (for fax
images)
• Reproduction ratio processing
(for fax images and printer
default transmission)
• Coding/decoding
• Rotation
• Protocol control
• Protocol exchange (between
Printer Board and Network
Interface Board)
Table 3-301
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
Destination
To the image processor PCB.
To the laser driver PCB and the
CORE/IP PCB.
To the Fax Board through the
FAX Motherboard. (also, to the
electronic sorter)
To the telephone line.