Fujitsu Ricoh Fujitsu fi-7300NX Color Duplex Document Scanner - Manual (Page 290)

Settings Related to the Detection for Overlapped Documents (Multifeed)
Specifying a Method to Detect Overlapped Documents [Multifeed]
Multifeed is an error that occurs when two or more sheets are overlapped and fed at once.
Configure the settings to detect overlapped documents during a scan.
Overlapped documents are detected with the ultrasonic sensor or according to the difference in length of the
documents.
When overlapped documents are detected, an error message is displayed on the touch screen and the scan stops. If
documents are overlapped within 30 mm from the leading edge, they are not detected as overlapped.
1 Start up the Software Operation Panel.
For details, refer to
Starting Up the Software Operation Panel (page 248) .
2 From the list on the left, select [Device Setting 2] → [Multifeed].
3 Select a detection method.
None
Does not detect overlapped documents.
This is the factory default setting.
Check Overlapping(Ultrasonic)
Detects overlapped documents with the ultrasonic sensor.
When this is selected, you can specify the following two options:
Scanner Settings (Software Operation Panel)
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