Fujitsu fi-5900C Operator's Manual page 104

4. Check the [Blank Page Skip] box.
When the check box is marked, "Cache Mode" will change to "Use both memory".
5. Using the slider control under [Blank Page Skip], specify the Blank Page
Skip degree.
<In Binary/Halftone mode>
For white pages, use the [Black Dots Ratio] slider bar to set the skip condition. For black pages,
use the [White Dots Ratio] scroll bar to set the skip condition.
The value displayed to the right of the scroll bar displays the noise ratio(*1). If a scanned
document is below this value, it is recognized as a blank page. The range is OFF(- -) and from
0.2% to 3.0% (in increments of 0.2%).
*1: Ratio of black dots included in the scanning area. (for white pages)
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3.6 Skipping blank Pages