7.4 LGC Board

7.4.1 Features

(1)The image processing section on the LGC board is controlled by the CPU mounted on the LGC board.

(2)The image processing functions of the LGC board realizes the followings:

•Smoothing processing

•External input system interface

•Image area control

•Laser related control

•Printer high quality processing

7.4.2  Functions of image processing circuit

The image processing section mounted on the LGC board realizes the followings:

(1)Smoothing processing

This function removes jagginess and smoothes character outline of images input from the exter- nal input system interface, and output them.

(2)External input system interface

This function controls the input of the input interface.

(3)Image area control

This function sets the effective image area in horizontal and vertical directions to be output.

(4)Laser related control

This function performs the APC (Auto Power Control).

(5)Printer high quality processing

This function reproduces the image signals output from the printer controller sharper.

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e-STUDIO350/352/353/450/452/453

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IMAGE PROCESSING

 

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Toshiba 353, 452, 453, 350 service manual LGC Board, Features
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350, 353, 453, 452 specifications

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