Image Processing - Ricoh B064 SERIES Service Manual

6.6 IMAGE PROCESSING

6.6.1 OVERVIEW
This diagram shows the machine components that do the image processing.
CIS
SBU
BCU
Polygon Motor
OPC
SBU/CIS: Photoelectric conversion (600 dpi, 2-channel CCD odd/even
allocation), Amplification, A/D Conversion (analog to digital), Light
intensity detection (scanning)
BCU: Engine control, Scanner control, SBU settings, LDB settings
Shading correction, Image Processing, Main/Sub scan
IPU:
magnification, Video patch switching, Compression/ decompression,
GAVD
Controller: System control, software application control, image storage control,
compression/decompression
LDB: 4-beam laser exposure, digital-to-grayscale conversion,
synchronization detection
SM
CÓPIA NÃO CONTROLADA
SBU/CIS
PCI BUS
IPU
LDB
6-33
CÓPIA NÃO CONTROLADA
IMAGE PROCESSING
Key
Data flow
Signal flow
Controller
HDD
B246D815.WMFF
B064 Series/B140 Series
/B246 Series/D052 Series