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November 2003 © TOSHIBA TEC 7 - 1 e-STUDIO3511/4511 IMAGE PROCESSING
7
7. IMAGE PROCESSING
7.1 General Description
The following diagram shows the process of this equipment from scanning of original to writing data on
the photoconductive drum surface.
The followings are the boards used for image processing.
Image processing/
writing control
section
[LGC]
Image processing section
Photocon-
ductive
drum
Image
processing /
System board
[SYS]
Scanning
control section
[SLG]
Scanning section
Original
Original glass
Scanning
section
[CCD]
Semicon-
ductive laser
element
Laser control
section
[LDR]
Writing section
Fig. 7-101
Board
SYS board
(PWA-F-SYS-350)
LGC board
(PWA-F-LGC-350)
PPC
PRT/
SCN
ACS, color conversion, high quality image processing, image memory
editing, rectangular area signal generation, editing processing, gamma
correction, gradation processing, compression/expansion and black
component generation
Scanner high quality image processing, printer high quality image
processing, black over print, pure black/pure gray, chroma adjustment
and brightness adjustment
Function
Smoothing processing, image area control and laser related control
Lens