Toshiba e-studio 2330c Imaging Manual page 257

5. Scanning-specific Adjustments
Procedures
* The service technician must perform all adjustments.
(1) Enter adjustment mode [05]. Change the values for codes [880 to 883] to adjust the gamma curve balance
of the low-, medium- and high-density areas.
Color mode Original mode [05] code Subcode
Text/Photo
Black
Photo
Gray scale
* Set the value in increments of approximately 20, while checking the scanned-in image until the optimum
value is obtained.
* The subcode varies according to the area where the density is adjusted. Refer to the table below and set
the subcode for the area to be adjusted.
Subcode
0
1
2
* Gradation in the Black mode will vary, if the medium-density area is mainly adjusted. But remember that
adjusting the low- or high-density area will rarely affect the gradation in the Black mode.
Precautions after the completion of the adjustment
Nothing in particular.
e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
05-880 0/1/2
Text 05-881 0/1/2
05-882 0/1/2
--- 05-883 0/1/2
Area where the density is adjusted
Low-density area
Medium-density area
High-density area
5-18
Recommended value
Set a value smaller than 128
to decrease the density.
Set a value larger than 128
to increase the density.
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Acceptable
Default
value range
0 to 255 128