Mcu, Ipu - Ricoh D124 Detailed Descriptions Manual

8.1.5 MCU, IPU

The IPU is behind the MCU.
MCU (Main Control Unit)
This is the main control board of the machine. It does the following:
 System control
 Base engine control
 Scanner control
 Image processing
The MCU also sends load signals and supplies power to:
 Base engine (high voltage power pack, motors, sensors, solenoid, and clutch.)
 Scanner (sensors, motors, etc.)
The MCU DIP switches must always be OFF (default) and they must not be
changed in the field.
D124 162 Detailed Descriptions