Fujitsu FI-4530C Operator's Manual page 94

5.2 Remedying Common Troubles
Symptom 7
Vertical lines appear in the scanned image.
5
YES
Are the lines black?
Clean the glass.(*)
NO
Contact the manufacturer's
authorized service center.
*) The ADF glass, refer to "3.2 Cleaning the ADF" on page 54.
89
fi-4530CImage Scanner Operator's Guide