Avision AV50F (FF-0803S) - Manual (Page 112)

8.2 Frequently Asked Questions
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.
Question: Feeding paper from the ADF easily causes paper
jam.
Answer: Make sure to close the front paper tray. While
the front paper tray is open, feeding paper from
the automatic document feeder easily causes
paper jam.
8-3