Epson GT-2500 Manuale Utente
156
Troubleshooting
An Image on the Back of Your Original Appears
in Your Scanned Image
in Your Scanned Image
If your original is printed on thin paper, images on the back may
be visible to the scanner and appear in your scanned image. Try
scanning the original with a piece of black paper placed on the
back of it. Also make sure the Document Type and Image Type
settings are correct for your original.
be visible to the scanner and appear in your scanned image. Try
scanning the original with a piece of black paper placed on the
back of it. Also make sure the Document Type and Image Type
settings are correct for your original.
If you are scanning with the ADF, see "Selecting Basic Settings"
on page 49 for details.
on page 49 for details.
If you are scanning from the document table, see "Selecting Basic
Settings" on page 79 for details.
Settings" on page 79 for details.
Ripple Patterns Appear in Your Scanned Image
A ripple pattern (called moiré) may appear in a scanned image of
a printed document. It is caused by interference from the differing
pitches in the scanner’s screen and the halftone screen in your
original.
a printed document. It is caused by interference from the differing
pitches in the scanner’s screen and the halftone screen in your
original.
Original image with
ripple pattern
ripple pattern
Descreening Filter applied