Avision AV880C User Manual
Page 45
6-3
Question: Getting an image from the scanner is not a problem,
but, when scanning, the scanner or system will often
crash.
Answer:
Please check
1) If the cable is firmly seated;
2) Please note only two SCSI terminators can be
connected to your SCSI daisy chain. One is at the end
of the SCSI device, another is already in your host
adapter.
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.