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4
Maintenance and Troubleshooting
4-11
R4C345
Rev. C
A5 size CHAP4.FM
10/7/99 Pass 0
R
Proof Sign-off:
<tantoname> SEI K.Ito M.Fujimori
<leadername> M.Fujimori
<editorname> SEI G.Hildebrand
The scanned image is faint or out of focus.
Cause What to do
Improper placement of
document
Make sure the document is flat against
the document table.
Gamma setting Check your software’s Gamma
setting. Refer to
EPSON TWAIN Pro
User’s Guide
for more details.
Exposure setting Check your software’s Exposure
setting. Refer to
EPSON TWAIN Pro
User’s Guide
for more details.
The image is too dark.
Cause What to do
Brightness setting Check your software’s Brightness
setting.
Check the Brightness and Contrast
settings of your computer monitor.
Straight lines in the image come out jagged.
Cause What to do
Document placement Make sure the document is oriented
perfectly straight on the document
table. Align vertical and horizontal
lines with the scales at the top and side
of the document table.