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Problems and Solutions
Problem
Solution
The image is faint or
uneven (continued).
The image is too dark
on the CRT or on a
printout, and details
cannot be recognized.
The image is not
scanned at all, or only a
few dots appear.
Straight lines in the
image are jagged at
their edges.
Check that you enabled halftoning.
Without halftoning, deep-colored areas
may be scanned as black.
Check that the gamma correction is set
correctly for your output method. If it is
set for
a
CRT display, the printout
becomes darker than the original image.
Adjust the brightness from the software.
Also check the brightness and contrast
volumes of your CRT screen.
Make the brightness setting darker, or try
different settings and combinations of the
scanner functions, especially gamma
correction and resolution.
The document may be placed at an angle
on the document table. Align it so that
the horizontal and vertical lines are lined
up with the horizontal scan and vertical
scan directions. (See Chapter 2.)
4-10
Troubleshooting