Ricoh B291 Service Manual page 424

IMAGE PROCESSING
General Image Processing Flow
Signals from SBU
!
Shading Correction
!
Pre- Filter Background
Erase
!
Pre-Filter Smoothing
!
Main Scan
Magnification
(Text/Photo, Photo)
!
Independent Dot Erase
!
Filtering
!
(Text, Pale, Generation)
γ Coefficient
!
Grayscale Processing
!
LD Unit
B291/B295/B296/B297
CÓPIA NÃO CONTROLADA
Processing conducted as required.
Primary Compression,
Decompression
Video Control
6-22
CÓPIA NÃO CONTROLADA
Controller
HDD
Secondary Compression,
Decompression
Sent to HDD
Scanner/Printer Application
FCU
FAX Application
SM