Fujitsu FI-5530C2 Operator's Manual page 136

Symptom 7
Do the lines appear on the same
part of images?
Do the lines disappear on images
with low resolution settings?
If you cannot solve the problem
after taking measures, check the
items in "5.4 Items to check before
contacting the dealer where you
bought the scanner" and contact
the dealer or an authorized
FUJITSU service provider.
*) The ADF glass, refer to
120
Vertical lines appear in the scanned image.
YES
NO
YES
NO
"3.2 Cleaning the ADF" on page 90.
Clean the upper/lower
glasses inside the ADF.(*)
Scan the documents with
low resolution settings.