Gamma Slope Adjustment - Toshiba e-STUDIO520 Service Handbook

3.3.2

Gamma slope adjustment

Gamma slope is adjustable with the following codes.
Original mode
Text/Photo Photo
593 594
(943) (945)
* The values in "( )" are the adjustment codes of the Custom Mode.
<Procedure>
Procedure is same as that of
3.3.3 Background adjustment
Background of the gamma data can be adjusted with the following codes.
Original mode
Text/Photo Photo
600 602
(946) (947)
3.3.4 Sharpness adjustment
If you want to make copy images look softer or sharper, perform the following adjustment.
Original mode
Text/Photo
Error diffu-
sion process
620 621-0
(922) (924-0)
* The values in "( )" are the adjustment codes of the Custom Mode.
Make a test copy and compare the image obtained with the current settings; if necessary, make adjust-
ment using the following procedure.
<Procedure>
Procedure is same as that of
e-STUDIO520/523/600/603/720/723/850/853
ADJUSTMENT
Item to be adjusted
Text
595 Gamma slope adjustment
(944)
P.3-23 "3.3.1 Density adjustment".
Item to be adjusted
Text
601 Background adjustment
(948)
Photo
Text
Dither pro-
cess
621-1 622
(924-1) (923)
P.3-23 "3.3.1 Density adjustment".
< Adjustment Mode (05) >
1 to 9: Select the gamma slope
< Adjustment Mode (05) >
1 to 9: The larger the value is, the
< Adjustment Mode (05) >
Item to be
adjusted
Sharpness Key in the following values depend-
adjustment ing on the original mode.
One's place
1: Text/Photo 3: Photo 2: Text
Ten's place
1 to 9: Change intensity
(The larger the value is, the sharper
the image becomes.)
• Example of value entry in case
the mode is "Text/Photo".
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3 - 24
Remarks
angle. (The larger the value
is, the larger the angle
becomes.)
Remarks
background becomes lighter.
Remarks
2 1
Fixed value for Text/
Photo mode
Key in a value 1 to 9