Toshiba e-STUDIO 5540C Service Manual page 621

6.4.5 Sharpness adjustment
If you want to make scan images look softer or sharper, perform the following adjustment. The
adjustment can be made for each of the color modes and original modes independently.
Code Color mode
8335 Full Color
8336
8337
8375
7430 Black
7431
7432
7470
7433 Gray Scale
Notes:
You have to make adjustment by balancing between moire and sharpness.
<Procedure>
The procedure is the same as that of  P. 6-71"6.4.2 Density adjustment".
6.4.6 Setting range correction
The values of the background peak in the range correction can be switched to "varied" or "fixed" in the
following codes.
If they are fixed, the range correction is performed with standard values.
Color mode
Text/
Photo
Black 7416
7421
Color mode
Printed
Text
Color 8330
8361
<Procedure>
The procedure is the same as that of  P. 6-71"6.4.2 Density adjustment".
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Original mode
Text • The larger the value is, the sharper the image becomes;
while the smaller the value is, the softer the image becomes.
Printed Image
• The smaller the value is, the less moire tends to appear.
Photo
• The acceptable values are 0 to 255.
The center value is 128.
Custom mode
Text/Photo
Text
Photo
Custom mode
-
Original mode
Custom
Text Photo
mode
7417 7418 7425
7422 7423 7426
Original mode
Custom
Photo
image mode
8331 8332 8334
8362 8363 8365
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<Adjustment Mode (05)>
Contents
<Adjustment Mode (05)>
Gray Item to be
Scale adjusted
7419 Range correction
(Automatic density
adjustment)
7424 Range correction
(Manual density
adjustment)
Item to be adjusted
Range correction (Automatic
density adjustment)
Range correction (Manual
density adjustment)
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
Remarks
0: Background peak -
fixed
1: Background peak -
varied
Remarks
0: Background peak -
fixed
1: Background peak -
varied
SETTING ADJUSTMENT
6