Toshiba e-STUDIO556 Service Manual page 444

6.6.11 Background offsetting adjustment for RADF (common for
copy,scan and fax)
The background level for scanning originals with the RADF is adjusted when the background fogging at
the scanning of a manually-set original and an original used with the RADF is different. This is to adjust
the level of the background image removed when the scanning of the originals with the RADF is
performed.
e-STUDIO556/656/756/856
Color mode Color mode
Black 7025
e-STUDIO557/657/757/857
Color mode Color mode
Black 7025
Color 7026
<Procedure>
Procedure is same as that of  P.6-34 "6.6.2 Density adjustment".
6.6.12 Surrounding void amount adjustment
The void amount around the network scanned image is adjusted.
In network scanning, since the void amount is very small in stored images, a shadow may appear
around the scanned image due to the subtle difference in the original sizes. This shadow can be
eliminated by adjusting the setting value.
Code Item to be adjusted
7489 Surrounding void amount
adjustment
<Procedure>
Procedure is same as that of  P.6-34 "6.6.2 Density adjustment".
6.6.13 JPEG compression level adjustment (e-STUIDIO557/657/757/857)
The compression level for saving the scanned data in the JPEG format can be adjusted as follows.
Code Item to be adjusted
8304-0 High quality
8304-1 Standard
8304-2 Low quality
<Procedure>
Procedure is same as that of  P.6-34 "6.6.2 Density adjustment".
e-STUDIO556/656/756/856/557/657/757/857
ADJUSTMENT
The larger the value is, the darker the background density becomes.
Acceptable values: 0 to 255
(Default: 128)
The larger the value is, the darker the background density becomes.
Acceptable values: 0 to 255
(Default: 128)
When the value increases, the blank area around the scanned
image becomes wider, and the data on the image decrease.
Acceptable values: 0 to 255 (Default: 0)
The setting value "1" is equal to 1 dot with 600 dpi. (The value
"24" is equal to approx. 1 mm.)
The larger the value is, the better the quality becomes, and the
larger the size of file becomes.
Acceptable values: 0 to 255 (Default: 128)
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