Troubleshooting – Avision AV620C User Manual

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6-1

6. Troubleshooting

If you have any operational problem, please

check the following troubleshooting hints.

6.1 Questions and Answers

Question:

Why the scanned image always comes out
to be too dark?

Answer:

1) Modify the Gamma setting to 1.8 for
your monitor and, when printing, set
Gamma to 2.2 for your printer.
2) Use the Brightness setting of the TWAIN

user interface to get a brighter image.

Question:

The scanning speed of my scanner is much
slower than that of those installed at other
computers. Can I speed it up?

Answer:

Set you PC printer port to the EPP mode
from BIOS setting.

Question:

Why does my scanner scan at a very low
speed?

Answer:

If you have installed Works for Windows, it
will install Window Printing System (WPS)
in your WIN.INI file. This will take up the
printer port time remarkably. You can
remove the WPS from your WIN.INI file, as
follows: