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5.2 Remedying Typical Troubles
fi-4220C Image Scanner Operator’s Guide 77
TROUBLESHOOTING
5
*) For cleaning the white part beside the glass and for cleaning the glass, refer to "3.3
Cleaning the ADF" (page. 47).
NO
YES
Clean glass. (*)
Contact the manufacturer’s
authorized service center.
Are the lines black?
YES
Contact the manufacturer’s
authorized service center.
Is the document scanned on
the flat bed?
NO
YES
Clean the white stripe beside
the glass. (*)
Are lines white ?
NO
Symptom 7
Vertical lines appear in the scanned image.