Bicu (Base Engine And Image Control Unit) - Ricoh B121 Service Manual

1. BICU (Base Engine and Image Control Unit)

The main board controls the following functions:
• Engine sequence
• Timing control for peripherals
• Image processing, video control
• Operation control, system control (Basic machine only)
• Machine control
• Drive control for the sensors, motors, and clutches of the printer and scanner
• High voltage supply board control
• Serial interfaces with peripherals
• Fusing control
2. SBU (Sensor Board Unit)
The SBU deals with the analog signals from the CCD and converts them into digital
signals.
B121 Series/B259 Series 6-6
BOARD STRUCTURE
SM