Block Diagram; Board Outline - Ricoh MP C3004 Field Service Manual

7. Detailed Descriptions

Block diagram

Board outline

Controller
Controls the MFP system overall. Comprises an x86CPU, controller ASIC, IO control ASIC, and RAM.
SBU
Scanning control circuit which performs analog signal processing and AD image conversion of the CCD
scanned image.
It also has an IPU I/F, and controls scanner input output signals according to CPU commands.
LDB
LD control circuit which drives the laser diode with a universal driver.
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