Flow Of Image Signals - Canon GP200 Service Manual
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- Installation instructions (4 pages) ,
- Online manual (877 pages) ,
- Service manual (458 pages)
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3. OPERATIONS AND TIMING
C. Flow of Image Signals
1. Flow of Image Signals from the Printer Board
The PDL data from the host computer is processed into printing images on the Printer Board and sent
to the Protocol Controller PCB as image signals.
The image signals move through the Protocol Controller PCB to reach the CORE/IP Board. After res-
olution conversion, the image signals move to the Image processor PCB for printing.
Shading
Reproduction
correction
ratio
Image processor PCB
SCSI board
Density
correction
Memory
Expansion
memory
Memory
Host
computer
3–154
COPYRIGHT © 1996 CANON INC.
Download service manual and resetter printer at http://printer1.blogspot.com
Edge
Reversal
Synthesis
emphasis
Binary
processing
(ED)
Resolution
conversion/
memory
repoduction
controller
ratio
Rotation
CIST
Smoothing
CORE/IP Board
SCSI
Video
control
controller
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
Binary
processing
(PD)
Density
Laser
correction
D/A
conversion
Telephone
NCU
FAX Board
Coding/
modem
Rotation
decoding
Protocol Controller Board
Memory
Command
conversion
DP
DP
RAM
RAM
LAN
I/F
controller
controller
NIB
Printer Board
Host
computer
LAN
line
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