Fujitsu FI-4530C Operator's Manual page 96

Symptom 9
Do double-feeds occur frequently?
Do the documents satisfy the
conditions described under the
"Precautions" in "6.2 Document
Paper Quality"?
YES
When the double-feed detection is
ON, are the double-feed detection
conditions fulfilled?(*2)
YES
Were the documents fanned before
loaded into the ADF paper chute?
YES
Have the documents just been
printed out on a copier or laser
printer?
YES
Is there any debris in the ADF?
NO
Is the ultra sonic sensor covered
with paper dust?
NO
Is the document stack 5mm or
less?
YES
5.2 Remedying Common Troubles
NO
Use documents that satisfy
the requirements. (*1)
Fulfill the double-feed
NO
detection conditions. (*2)
Fan the documents before
NO
loading, or reduce the
number of sheets of the
documents.
Fan the documents 3 or 4
YES
times to remove static
electricity from the paper.
YES Remove debris from the
ADF.
YES Clean the ultra sonic sensor.
(*5)
Reduce the number of
NO
sheets in the stack.
Continued on the next page
fi-4530CImage Scanner Operator's Guide
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