Power Supply; Outline; Protection Function - Canon Paper Deck Unit-B1 Service Manual

Chapter 2

2.6 Power Supply

2.6.1 Outline

The following is a diagram of the machine's power supply system. The side deck is supplied with power by its host machine (24 V). The 24 V power is converted
by the side deck driver PCB into for output to sensor and the side deck driver PCB.
The 5 V power is generated by side deck driver PCB based on 24V power and supplied for driving sensors and the side deck driver PCB.

2.6.2 Protection Function

The 24 V power supply is equipped with a fuse (FU01) designed to blow when an overcurrent flows.
2-8
Start key ON
INTR SCAN
Deck pickup clutch
(CL2D)
Jam check
Deck pickup sensor
(PS6D)
Deck feed sensor
(PS1D)
Deck main motor
(M1D)
Side deck driver PCB
J02
FU01
24V
2
Host
machine
Jam indicator ON
PRINT
Normal
F-2-12
- motors
- solenoids
24V
- clutch
- switches
5V
- sensors
DC5V Power
F-2-13
Error
0023-7230
0023-7231