IMAGE PROCESSING
SM 6-45 B234/B235/B236/D101/D102/D103
Detailed
Descriptions
6.9.2 IMAGE PROCESSING OVERVIEW
SBU:
Photoelectric conversion, Odd/even allocation, Amplification, A/D
Conversion (analog to digital), Light intensity detection (scanning)
BCU:
Engine control, Scanner control, SBU settings, IPU settings, LDB
settings
IPU:
Shading correction, Image Processing, Main/Sub scan
magnification, Video path switching, Image Compression/
Decompression. The GAVD on this board performs density
conversion processing, FCI processing, and edge processing, and
also generates the test patterns.
Controller:
System control, software application control, image storage control,
file compression/decompression
LDB:
8-beam laser exposure, binary-to-grayscale conversion,
synchronization detection
CCD
PCI BUS
Polygon Motor
OPC
SBU
IPUBCU
LDB
Controller
HDD
Key
Data flow
Signal flow
B234D933.WMF
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