Power Supply; Outline; Protective Functions - Canon Staple Finisher-H1 Service Manual

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Technology > Power Supply > Protective Functions

Power Supply

Outline

When the host machine is turned on, it supplies the finisher controller PCB with 24VDC and
5VDC; the 24VDC power is used to drive the motors and the switches, while the 5VDC power
is used for the sensors and the ICs.
Finisher Controller PCB
5VDC
Host Machine
24VDC
F1
SW1
F2, F3,
Front Door Switch
F5 to 10
F4

Protective Functions

The finisher is provided with fuses (F1 through 10) which blow in response to overcurrent.
2 Technology > Power Supply > Protective Functions
Sensors
CPU(U1)
Motor Driver
M
Motors
(U5) to (U12)
Stack Tray
SW2 Lower Limit
Switch
Motor Driver
(U13, 14)
Stack Tray
M8
Shift Motor
F-2-39
2-23
2-23