Ricoh P C300W Field Service Manual page 299

7.Detailed Descriptions
•
Wi-fi module interface
PSU (Power Supply Unit)
The PSU converts AC mains to DC and supplies power to the machine.
HVPS (High-Voltage Power Supply)
The HVPS controls the high-voltage power required for process control.
AC Detection Board
The AC detection board detects the voltage of the mains AC supply.
FCU (Fax Control Unit)
The FCU controls the fax program.
287