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Power Supply
Outline
When the host machine is turned on, it supplies the finisher controller PCB with 24 VDC and 5 VDC. The 24 VDC power is used
to drive the motors and the switches, while the 5 VDC power is for the sensors and the like.
Host
machine
Protective Functions
The finisher controller PCB is provided with fuses (F1 through 3) which blow in response to overcurrent.
Finisher Controller PCB (PCB1)
+3.3V
5VDC
generation
circuit
F2
F3
24VDC
F1
SW1
Front Cover Switch
+3.3VDC
CPU(IC1)
39
2. Technical Explanation
Sensors
PS1 to PS8
PS10 to PS15
PS9
Stack Tray
Paper Height Sensor
M
Motors
M1 to M7
M9 to M10
M8
Stapler Motor
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