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Epson Perfection 1640SU Office - Page 77

Epson Perfection 1640SU Office
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Problem Solving
71
For an EPSON ink jet printer,
try cleaning the print heads as
described in your
documentation.
If this happens on both your
screen and printout, the
scanner’s sensor may be
malfunctioning. Consult your
dealer.
A line of dots always appears in
the scanned image.
If this happens on both your
screen and printout, the
document table glass may be
dusty or scratched. Clean the
document table glass.
If you are using the auto
document feeder, the paper
path guide of the auto
document feeder may be dusty.
Clean the paper path guide. If
the problem still exists, the
guide may be scratched and
must be replaced.
Lines appear in the scanned image
when using the transparency unit.
Dust in the transparency unit’s
calibration window will result in a
vertical line in the scanned image.
Clean the scanner document glass,
especially in the calibration window
area on your scanner.
Textured patterns of dots appear
on areas of an image.
You are using halftoning, which
causes normal moiré patterns
.
Your
scanner automatically minimizes the
problem if you turn on
De-screening in the Image Type
dialog box.
Your printed image is larger or
smaller than the original size.
You have changed the resolution or
scaled your image. The image size
settings in your software determine
the size of the printed image. Do
not use the size of the image on your
monitor to judge the printed size.
You cannot print your image or
the printout is garbled.
Your image file may be too
large. Make sure that your
computer has enough memory
for your software. If there are
many device drivers on your
system, you are running
multiple programs at the same
time, using RAM-resident
programs, or you have little free
space on your hard drive, your
computer may not have enough
memory available. (See your
software and computer
documentation.)
basics.book Page 71 Thursday, August 31, 2000 10:08 AM

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