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A-61510 January 2005 3-31
The Multifeed tab
Multi-feed Detection aids in document processing by detecting
documents that may go through the feeder overlapped. Multi-feeds can
happen due to stapled documents, adhesives on documents, or
electrostatically charged documents. 3D Multi-feed Detection combines
ultrasonics (amplitude and phase) with physical length detection to
virtually eliminate the chance of loosing data due to multi-feeds.
The Ultrasonic Sensor is located in the center of the transport (behind
the feeder module). In order for multi-feed documents to be detected
correctly, they must pass under this sensor.
Length Detection choose the minimum length of the document that
can be scanned with a multi-feed being detected. The Display window
will show the size of the document as you change the value. You can
select to display this amount in Inches, Centimeters, Picas, Points,
20
th
of Points or Pixels. A value of 0 indicates no length detection.
Length detection can be used when scanning same-size documents.
The maximum value is 30.5 inches.