Fujitsu Ricoh Fujitsu fi-7900 Image Scanner - Manual (Page 266)

Specifying the Area to Detect Multifeed [Document check area
specification for Multifeed Detection]
The following setting is only available when you specified [Check Overlapping (Ultrasonic)].
1 From the list on the left, select [Device Setting 2] → [Document check area specification for
Multifeed Detection].
Select the [Selected range] check box in the window.
2 Specify the detection range.
Operational Settings
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