Image Processing - Ricoh B082 Service Manual

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IMAGE PROCESSING

IMAGE PROCESSING

B079D902.WMF

6.5.1 OVERVIEW

SBU: The SBU (Sensor Board Unit) converts the analog signal from the CCD to an

8-bit digital signal and sends it to the SIB.

SIB: The SIB (Scanner Interface Board) relays the image signals and controls the

BICU: The BICU (Base Engine Image Control Unit) performs timing control and

command control. The IPU on the BICU processes auto shading, filtering,

magnification, γ correction, and gradation. The memory controller performs image

compression, decompression, and memory address control (for binary picture

processing mode only)

LD Unit: Performs dual channel multi-beam exposure, multiple exposure, and

synchronous detection.

Controller: Controls image archiving, controls printing, and secondary image

compression/decompression.

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