Epson Expression 1680 - Manual (Page 132)

Solving Problems
125
A line of dots is missing from the
image.
■ When a line of dots is missing
from the scanned image on your
screen, the scanner sensor has
malfunctioned. Contact your
EPSON dealer.
■ When a line of dots is missing
from your printouts, your
printer has malfunctioned. See
your printer manual.
The colors in your scanned image
look different than the colors in
the original document.
■ Experiment with the Unsharp
Mask setting. Click the
Destination button in the
EPSON TWAIN Pro main
window to display the
Destination window, then select
or deselect
Unsharp Mask .
■ Make sure the Image Type and
Destination settings are
correct.
■ Try different combinations of
gamma and color settings in
your scanner software.
■ If you’re using a transparency
unit or automatic document
feeder, make sure they’re closed
when scanning.
Moiré (cross-hatch) patterns
appear in the image when you
perform halftone scanning.
■ Make the image size slightly
smaller.
■ Use a transparent sheet between
the document and the
document table to defocus the
image.
■ Reposition the document on the
document table. Try
positioning the document at a
slight angle.
■ Make sure Unsharp Mask is
deselected in the Destination
window.
■ Select 24-bit Color
De-screening as your Image
Type , or select On for
De-screening in the Image
Type window.
The printed image is larger or
smaller than the original.
You can’t judge the size of the
printed image by what you see on
your screen. The image size settings
in your scanner software determine
the size of the printed image.
1680.book Page 125 Thursday, March 1, 2001 4:28 PM