Vii.power Supply; Power Supply - Canon FINISHER-C1 Service Manual

VII.POWER SUPPLY

1. Outline
When the copier's power switch is turned on, two channels of 24V power are supplied by the
finisher controller PCB.
Of the two 24V channels, one is used to drive solenoids: the 24V power from the finisher
controller PCB to a solenoid does not go through any protective mechanisms (microswitches, or the
like).
The 24V power to a motor, on the other hand, will not be supplied if any of the three door
switches is open.
The 24V channel is used for the generation of 5V power intended for sensors.
24VR
Finisher
controller
PCB
2. Protective Mechanisms
The 24VDC power supply used for motors and solenoids is equipped with a circuit breaker
(CB1). The 24V power supply used to drive the feed motor (M1S), alignment motor (M3S), and the
paper positioning plate motor (M4S) is equipped with a fuse designed to melt when an overcurrent
flows.
COPYRIGHT © 1998 CANON INC.
CHAPTER 3 SADDLE STITCHER UNIT BASIC OPERATION
Inlet door
switch
(MS1S)
Circuit
breaker
(CB1)
Saddle stitcher controller PCB
(Q6)
24V
Regulator IC
Figure 3-701
FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Front door Delivery
switch door switch
(MS2S) (MS3S)
24V
Motor systems
24V
Solenoids
5V
Sensors
5V
Logic
3-39