Canon GP200 Service Manual page 206

3. OPERATIONS AND TIMING
b. Protocol Controller PCB
In terms of PDL units, the Printer Board that may be installed to the machine may be a PS-PCL Board,
PCL5e Board, or PS (kanji) Board. Of them, the three boards may be used in common with the Multi
Device Controller, requiring conversion of printing commands (printer commands) and operation
sequences to suit the operating environment of the GP215/GP200.
The Protocol Controller PCB converts printer commands from a personal computer to control the print-
er system of the GP215/GP200 to support GP215/GP200-specific multiple cassette functions not found in
a configuration consisting of a Multi Device Controller and a GP55/GP30F.
CPU
Image processing
circuit
Image processor
PCB
3–152
COPYRIGHT © 1996 CANON INC.
Download service manual and resetter printer at http://printer1.blogspot.com
ROM
CPU
CORE/IP
Protocol controller PCB
Board
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
Network Interface Board
CPU
DP
controller
RAM
Printer Board
DP
RAM
Command
conversion circuit
Video
Memory
controller
Controller
LAN
CPU
I/F