Avision AV121 (FF-0506/FF-0508/FF-0608S) - Manual (Page 56)

Clear the Multi-Fed Paper:
Choice: Manual, Auto
If Auto is selected, once multi-feed is detected and scanning
operation is stopped, the scanner will automatically clear the
transport of the multi-fed paper. If manual is selected, once
multi-feed is detected and scanning operation is stopped, you
need to manually clear the transport of the multi-fed paper.
Note: The availability of this option varies based on type of
scanner.
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