Kodak i1800 Series Image Processing Manual page 64

Device - Multifeed tab
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Multifeed detection aids in document processing by detecting
documents that may go through the feeder overlapped. Multifeeds can
happen due to stapled documents, adhesives on documents, or
electrostatically charged documents.
Ultrasonic detection
Sensitivity — controls how aggressively the scanner will work to
determine if more than one document is fed into the scanner. Multifeeds
are triggered by detecting air gaps between documents. This allows
multifeed detection to be used with job sets containing documents with
mixed thicknesses.
• (none)
• Low: least aggressive setting and is less likely to detect labels, poor
quality, thick or wrinkled documents as multi-fed documents.
• Medium: use if your job set has varying document thicknesses or
labels attached to the document. Depending on the label material,
most documents with labels should not be detected as a multi-fed
document.
• High: most aggressive setting. This is a good setting to use if all
documents are similar in thickness no greater than 20-lb. bond paper.
NOTE: Regardless of the setting, "sticky" notes will be detected as
multi-fed documents.
A-61580 November 2007