Canon Finisher-R1 Service Manual page 26

Chapter 2
• IC106 (EEP-ROM)
Backs up adjustment values.
Backs up initial setting data.
• IC102 (communications IC)
Communicates with the host machine.
• IC107 (regulator IC)
Generates 5V.
• IC108 (regulator IC)
Generates 3.3V.
The following figure shows the flow of signals between the finisher and the options controller.
2-2
Punch controller PCB
(Puncher unit (option))
Host machine
(DC controller PCB CPU)
Finisher controller
PCB
IC102
Communications IC
IC107
Regulator IC
IC108
Regulator IC
F-2-2
Motor
Solenoid
Switch
Sensor