Avision AV6200 (DL-0710H) User Manual
Page 81
8-2
Question: When I power on the scanner, it makes noises
and will not stand ready.
Answer: There are two possibilities:
1) You forgot to remove the shipping lock from
the scanner. Please remove the shipping lock
first.
2) You did not place the scanner on a flat desktop
surface. This may cause the scanner to function
improperly.
Question: While scanning, the scanner often makes noises
or it scans back and forth.
Answer: Please choose lower speed from the TWAIN
user interface for low speed PC.
Question: The scanned image always comes out to be
too dark.
Answer: 1) Use your application to modify the Gamma
setting to 2.2 and 1.8 for your printer and
monitor respectively.
2) Adjust Brightness setting from the TWAIN
interface to get a brighter image.
Question: The scanner works well except for the line art,
the lines of which seem much thicker than the
original.
Answer: Increase the Brightness or adjust the Threshold
setting to adjust the line art image.