Avision AV810C+ User Manual
Page 59

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.