Image Processing; General Description - Toshiba e-studio 167 Service Manual

7.

IMAGE PROCESSING

7.1

General Description

The image processing section inputs the image signal from the scanning section and applies various
image processing on the signal, then transmits the output result to the writing section.
Images are processed by the main board in this equipment.
The following diagram shows the process of the equipment from scanning of original to writing data on
the photoconductive drum surface.
Scanning section
Original
Original glass
Scanning
section
[ CIS ]
The following is the board used for image processing.
Board
MAIN board
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Image processing section
Image processing/
scanning control/
writing control
Fig. 7-1
High quality image processing, image memory editing, gamma correction, gradation
processing, scanner high quality image processing, smoothing processing, image
area control, laser related control and printer high quality image processing
7 - 1
section
[ MAIN ]
Memory
Photo-
conductive
drum
Function
Writing section
Laser drive section
[ LDR ]
Semiconductive
laser element
e-STUDIO167/207/237
IMAGE PROCESSING
7