Protective Functions - Canon SADDLE FINISHER K3 Service Manual

b. 5V Power Supply
Power is supplied directly by the switching regulator.
The output accuracy of the DC power supplies are as follows:
36V power supply ® +11%, -5.5%
24V power supply ® ±5%
Memo
5V power supply ® 5.2V ±5%
Note that these figures apply when the AC input is between 85 and 132V
(100/115V regions) or 187 and 264V (230V regions).

9.1.3 Protective functions

a. AC fuse PCB
The AC fuse PCB is equipped with two fuses (FU731, FU733), which shut off the circuit
in the event of over-current.
The PCB is also equipped with a spare fuse (FU732).
b. Switching regulator
The switching regulator is equipped with a fuse (F001) which shorts in the event of over-
current.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001
CHAPTER 2 OPERATION OVERVIEW
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