Ricoh M0A0 Service Manual page 353

7.Detailed Descriptions
HVPS (High-Voltage Power Supply)
Generates the high-voltage power required for process control.
FCU
Controls the fax program.
PCDU Set Detection Board
Detects whether or not the PCDU is installed correctly.
ID Chip Relay Board
Relays the ID chip data of the toner cartridge.
DC Switch
Controls the on/off operation of the DC power supply.
Toner End Detection Board (Toner End Sensor)
Detects whether the toner has run out.
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