COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
3-2
CHAPTER 3 SADDLE STITCHER UNIT BASIC OPERATION
B.
Electrical Circuitry
The sequence of operations used for the saddle stitcher is controlled by the saddle stitcher
controller PCB. The saddle stitcher controller PCB has a microprocessor, and is used to control the
sequence of operations and to handle serial communications with the finisher controller PCB, driv-
ing solenoids and motors in response to the various commands from the finisher controller PCB.
The saddle stitcher controller PCB is also used to communicate the state of various sensors and
switches to the finisher controller PCB in serial.
The functions of the major ICs mounted on the saddle stitcher controller PCB are as follows:
●
Q1
Controls the sequence of operations.
●
Q2
Contains the sequence program.
●
Q3
Controls the sequence of operations.
●
Q4
Handles IPC communications.
Sensor
Switch
Saddle stitcher
controller PCB
Q1 CPU
Q2
ROM
Q3
RAM
Q4
Communications IC
Solenoid
Motor
Motor
Finisher controller PCB
Copier
Figure 3-102