Power Supply - Canon FINISHER - D1 Service Manual

CHAPTER 2 OPERATIONS
VIII . POWER SUPPLY
1. AC Power Supply
AC power comes from an external power supply through the machine's AC fuse PCB to reach
the switching regulator (SWR1). The switching regulator is turned on and off by the drive signal
(REMTSWH) from the copier. Upon activation, the switching regulator supplies the fuse PCB with
36, 24, and 5 V DC power.
2. DC Power Supply
The 36, 24, and 5 V power supplies are sent to the finisher controller PCB by way of the fuse
PCB (PCB6).
The 24 VF power supply is sent directly to the power supply fan (FM1) by the fuse PCB.
a. 36 V Power Supply
It is sent to the finisher controller PCB from the switching regulator to the finisher controller PCB
through two microswitches.
b. 24 V Power Supply
The supply (24 VSTP) to the stapler motor (M11) and staple shift motor (M12) is sent to the
finisher controller PCB by the switching regulator through the following four microswitches:
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COPYRIGHT © 1999 CANON INC.
Notation Switch
Tray safety switch
MSW6
(front)
MSW7 Tray safety switch
(rear)
Table 2-801
Notation Switch
MSW1 Front cover switch
MSW8 Stapling safety switch
(rear)
MSW2 Swing guide safety
switch
MSW9
Stapling safety switch
(front)
Table 2-802
CANON FINISHER - D1 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)