Hello, I'm using Ubuntu10.10, sane1.0.14-9 (thanks to Robert Ancell for PPA) and Jeffrey Ratcliffe's great gscan2pdf0.9.31.
If I scan in colour, white paper is light grey. It could be nice to see the exact colour of white, but it is not nice for normal use. (And it could make greater a compressed file.) gscan2pdf --> Preferences --> Blank threshold did not make a difference. I need help to adjust the white level. -- Viele Gr??e Werner Holtfreter
