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6.5 IMAGE PROCESSING
Drum
Driver
LDDR
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:
Relays image signals and controls the scanner.
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.
SM
CÓPIA NÃO CONTROLADA
C
SBU
C
D
LD
Controller
LD
(GAVD)
FCI
6-15
CÓPIA NÃO CONTROLADA
IMAGE PROCESSING
SIB
SIB
IPU
Controller
BICU
B003/B004/B006/B007
HDD
B004D532.WMF
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Troubleshooting
