December 2000 © TOSHIBA TEC
6 - 3
1600/2000/2500 IMAGE PROCESSING
6.3 SLG Board
6.3.1 Features
(1) The image processing ASIC is controller by the CPU on the SLG board.
(2) The SLG board implements the following image processing functions.
•
High quality image processing
•
Image memory editing
•
Editing processing
•
Gamma correction processing
•
Tone processing
•
External output systems interface
6.3.2 Functions of the image processing circuit
The image processing ASIC installed on the SLG board implements the following functions.
(1) High quality image processing
A. Range correction
This function converts the image signal to density range width and corrects it to match each origi-
nal. When making a copy of originals with a certain level of background such as newspapers, this
function can reduce the background density.
Fig. 6-3-1 Histogram
Dynamic range width
Extended dynamic rage width
Back-
ground
After range
correction
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Содержание DP1600
Страница 1: ...DIGITALPLAINPAPERCOPIER DP1600 2000 2500 File No 31100011 R0111216600 TTEC ...
Страница 2: ...Copyright 2000 TOSHIBA TEC CORPORATION ...
Страница 21: ...1600 2000 2500 OUTLINE OF THE MACHINE 2 8 December 2000 TOSHIBA TEC B 2 Switches SW2 SW1 02 02 04 ...
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Страница 145: ...8 PRINTING 8 1 8 1 General Description 8 1 8 2 Structure 8 2 8 3 Laser Diode 8 6 8 4 Disassembly and Replacement 8 7 ...
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