Fujitsu Ricoh Fujitsu fi-7900 Image Scanner - Manual (Page 267)

Range Description
Selected range Select the check box to specify the detection
range (colored in light pink) in the picture
below.
Select the check box to enable the setting in
this window. Clear the check box to disable the
setting. Clearing this check box sets both the
start and the end positions to "0", so that
multifeed is detected for the whole document.
The above condition applies when the
document is set to the center of the pick roller
width.
Disable (Left/Middle/Right) Does not detect multifeeds for the selected
area.
Enable (Left/Middle/Right) Detects multifeeds for the selected area.
Start (Left/Middle/Right) Displays the starting point of the detection by
the length from the leading edge of the
document.
Operational Settings
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