FUJITSU Image Scanner fi-4120C - Manual (Page 91)

5.2 Remedying Typical Troubles
fi-4120C Image Scanner Operator’s Guide 75
TROUBLESHO
OTING
5
Use documents that satisfy
the requirements. (*1)
NO Fulfill the double-feed
detection conditions. (*2)
NO
YES
Do the documents satisfy
conditions described under the
"Precautions" in "6.2 Document
Paper Quality"?
When the double-feed detection is
ON, are the double-feed detection
conditions fulfilled? (*2)
Were the documents fanned before
loaded into the ADF paper chute? NO
Fan the document before
loading, or reduce number
of sheets of the documents.
YES
Have the documents just been
printed out on a copier or laser
printer?
YES Fan the documents 3 or 4
times to remove static
electricity from the paper.
YES
Is the document stack 5 mm
or less?
NO Reduce the number of sheets
of the document.
NO
YES
Continued on next page
Symptom 9
Does double-feed occur frequently?