Power Supply Path In Printer - Canon imagerunner C5180 Service Manual

Chapter 12

12.4.1.4 Power Supply Path in Printer

The DC power supply of this machine is supplied from 4 DC power supply PCBs (main power supply PCB, DC/
DC converter PCB (12V/5V/3.3V), DC/DC converter PCB 1 (38V), and DC/DC converter PCB 2 (38V)) in the
main power supply unit.
Main Power Supply PCB
- Generate DC voltage from AC voltage.
- Overcurrent / overvoltage protection
- Distribute DC power supply to each load.
DC/DC Converter PCB (12V/5V/3.3V)
- Generate 12V, 5V, and 3.3V from DC power supply 13V.
- Overcurrent / overvoltage protection
- Distribute DC power supply to each load.
DC/DC Converter PCB 1/2 (38V)
- Generate 38V from DC power supply 24V.
- Overcurrent / overvoltage protection
- Distribute DC power supply to each load.
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