Judgment Threshold For Acs; Sharpness Adjustment - Toshiba e-STUDIO281c Service Handbook

3.7.5

Judgment threshold for ACS

The judgment level is adjusted for the automatic identification of whether the original set on the glass is
black or color. Namely, this is to adjust the judgment level used when "Auto Color" is selected at color
modes. The adjustment is available for both the manually-set original and the original used with the
RADF.
Code Item to be adjusted
1065 Judgment threshold
for ACS when origi-
nal is set manually
1066 Judgment threshold
for ACS when origi-
nal is set on RADF
<Procedure>:
Procedure is same as that of "3.7.2 Density adjustment (Black Mode)".
3.7.6

Sharpness adjustment

If you want to make scan images look softer or sharper, perform the following adjustment. The adjust-
ment can be made for each of the color modes and original modes independently.
Code Color mode
1086 Full Color
1087
1088
840 Black
841
842
843 Gray Scale
Note: Note:
You have to make adjustment by balancing between moire and sharpness.
<Procedure>
Procedure is same as that of "3.7.2 Density adjustment (Black Mode)".
e-STUDIO281c/351c/451c
ADJUSTMENT
The larger the value is, the more an original tends to be judged as black even
at the Auto Color Mode. The smaller the value is, the more it tends to be
judged as color.
Acceptable values: 0 to 255 (Default: 70)
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 31.
The center value is 16.
Text/Photo
However, 0 is equivalent to the center value.
Text
Photo
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