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2-2
COPYRIGHT © 2001 CANON INC.
2000 2000 2000 2000
CANON SADDLE FINISHER G1 REV.0 MAR. 2001
CHAPTER 2 OUTLINE OF OPERATION
1.2 Outline of the Electrical Circuitry
The sequence of finisher operations is controlled by the finisher controller PCB. The fin-
isher controller PCB is a 16-bit microprocessor (CPU), and is also used for combination
with the host machine (serial).
with the host machine (serial).
The finisher controller PCB drive motors and other loads in response to the various com-
mands from the host machine. It also communicates such data as on the states of various
sensors and switches to the host machine by way of the serial communication line.
sensors and switches to the host machine by way of the serial communication line.
The ICs mounted to the finisher controller PCB have the following functions:
Host machine DC
controller PCB
CPU
controller PCB
CPU
Punch controller
PCB
Finisher
controller
PCB
IC13
CPU
IC12
EEP-ROM
IC11
Communica-
tion IC
IC6
EP-ROM
IC1
Regulator IC
Motor
Clutch
Switch
Sensor
Motor
Sensor
Finisher unit
Puncher unit (option)
•
IC13 (CPU)
Controls sequence of operations.
Controls sequence of operations.
•
IC12 (EEP-ROM)
Backs up adjustment settings.
Backs up adjustment settings.
•
IC6 (EP-ROM)
Stores sequence programs.
Stores sequence programs.
•
IC11 (communication IC)
Communicates with the host machine.
Communicates with the host machine.
•
IC1 (regulator IC)
Generates 5 V.
Generates 5 V.
F02-102-01
F02-102-01 shows the flow of signals between finisher and options controller:
Chap02.p65
3/28/01, 12:07 PM
2
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