Board Structure - Ricoh D009 Service Manual

6.2 BOARD STRUCTURE

6.2.1 BLOCK DIAGRAM
This machine uses the GW architecture, which allows the copier to be expanded as an MFP
by installing simple modular components (SD cards) on the controller board. The BICU and
FCU are connected to the controller via a PCI bus.
BICU (Base engine and Image Control Unit): This is the engine control board. It controls
the following functions.
Engine sequence
Timing control for peripherals
Image processing, video control
SM 6-5
Board Structure
D009/D011/D012/D013