Toshiba e-STUDIO556 Service Manual page 434

6.4.9 Judgment threshold adjustment for blank originals
The judgment level is adjusted for automatic identification of whether the original set is blank or not.
This adjustment is made when "OMIT BLANK PAGE" is selected on the control panel.
The adjustment value is simultaneously applied to all modes at PPC and scanning.
Code Item to be adjusted
7618 Judgment threshold
adjustment for blank
originals
<Procedure>
Procedure is same as that of  P.6-25 "6.4.2 Density adjustment".
6.4.10 ADF scan noise reduction (
657/757/857)
The reduction amount of color streaks generated when 08-7617 (ADF scan noise reduction) is set to 0,
1 or 2 can be adjusted with the following codes.
Black
Original mode
Text/Photo Text
7151 7152
Note:
Be careful not to make the value too small. Setting too small a value may cause blurry text or
background.
<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 more an original tends to be judged
as a blank sheet.
Acceptable values: 0 to 255 (Default: 128)
Copying
Item to be
User
Photo
Custom
7153 7150 ADF scan
noise
reduction
6 - 30
< Adjustment Mode (05) >
Contents
Function) (e-STUIDIO557/
< Adjustment Mode (05) >
adjusted
When the value decreases, the effect of
reducingstreaks (set with 08-8300)
becomes larger.When thevalue
increases, the effect of reducing streaks
(set with08-8300) becomes smaller.
Acceptable values:0 to 200.
(Default: 100)
When "0" is set, this function is disabled.
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Remarks