Settings Related to the Detection for Overlapped Documents (Multifeed)
Specifying a Method to Detect Overlapped Documents [Multifeed]
Multifeed is an error that occurs when two or more sheets are overlapped and fed at once.
For documents that are loaded in the ADF paper chute (feeder), configure the settings to detect overlapped
documents during a scan.
Overlapped documents are detected with the ultrasonic sensor or according to the difference in length of the
documents.
When overlapped documents are detected, an error message is displayed and the scan stops. If documents are
overlapped within 30 mm from the leading edge, they are not detected as overlapped.
1 Start up the Software Operation Panel.
For details, refer to Starting Up the Software Operation Panel (page 333).
2 From the list on the left, select [Device Setting 2] → [Multifeed].
3 Select a detection method.
None
Does not detect overlapped documents.
Check Overlapping(Ultrasonic)
Detects overlapped documents with the ultrasonic sensor.
When this is selected, you can specify the following two options:
● Specify an area to detect overlapped documents by the length from the leading edge of the document
in the feeding direction.
For details, refer to Specifying the Area to Detect Overlapped Documents [Document check area
specification for Multifeed Detection] (page 380).
● When a piece of paper is attached on a document, the length and position of the paper can be
memorized, and set to ignore overlapping of documents.
For details, refer to Configuring Not to Detect Certain Overlap Patterns (page 205).
This is the factory default setting.
Check Length
Detects overlapped documents according to the difference in length.
Select this to scan documents of the same length.
Note that overlapped documents cannot be detected accurately when a mixed batch of different lengths
are scanned.
Check Overlapping and Length
Detects overlapped documents by the combination of [Check Overlapping(Ultrasonic)] and [Check
Length].
When this is selected, you can specify the following two options:
Scanner Settings (Software Operation Panel)
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