A-61661 May 2010 15
Multi-feed Detection options
• Length Detection ⎯ enable or disable (the default) this option. If
enabled, select the maximum length of the document that can be
scanned without a multi-feed being detected. Length detection is
used when scanning same-sized documents to check for overlap. For
example, if you are scanning 8.5 x 11-inch (A4) documents in portrait
mode, enter a value of 11.25 inches (28.57 cm) in the Maximum
Length field. The maximum value is 13.99 inches (35.56 cm).
• Auto Set: automatically sets the maximum length value to .50-inch
(1.27 cm) greater than the length of the currently selected page size.
Ultrasonic Detection — check this option to set multi-feed detection.
• Sensitivity — controls how aggressively the scanner will work to
determine if more than one document is fed into the transport. Multi-
feeds are triggered by detecting air gaps between documents. This
allows multi-feed detection to be used with job sets containing
documents with mixed thicknesses.
- Low: the least aggressive setting and is less likely to detect
labels, poor quality, thick or wrinkled documents as multi-fed
documents.
- Medium: use Medium sensitivity if your application has varying
document thickness 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: the most aggressive setting. This is a good setting to use if
all documents are similar in thickness to 20-lb. Bond paper.
• Action — select an option of how you want to the scanner to perform
if it detects a multi-fed document.
- Beep and Continue: if selected, the scanner will beep, display
and log the condition but continue to operate.
- End of Job: if selected, the scanner log the condition and stop
the feeder and transport (the scanner will be disabled).
• Alarm — select this option if you want the scanner to make a sound
when a multi-feed is detected. You can click the Speaker icon to
display the Open dialog box. From the Open dialog box, select the
desired .wav file and click OK.
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