Indeed 1200 and above does not work. If anyone has a datasheet of the GL chip used, I may consider looking into it.
It's a problem with the scan head motor that is not moving and software waiting forever until it does. On Sat, Sep 14, 2019, 4:39 PM Mikhail Novosyolov via sane-devel < [email protected]> wrote: > 14.09.2019 14:01, mfoolb bloofm пишет: > > Hello, > > I've just bought a Canon Lide 220 scanner but I can't make it work at 2400 > or 4800 dpi. > The scanner is supported 100% from 75 to 4800 dpi as of > http://www.sane-project.org/sane-mfgs.html#Z-CANON. > I'm using Ubuntu 19.04 and sane 1.0.27. > Tried using simple-scan and genesys library on Gimp (2.10.8), if > resolution is 2400 simple-scan freezes same thing on GIMP from 1200dpi and > up. > I need 2400 or 4800 dpi scan of little areas (2cmx2cm) of documents. > Can anyone help me? > Thanks. > -- > > Marco. > > I think I heard something about 2400 DPI on Canon LiDE, but don't remember > what. > > Did you try installing latest sane git snapshot from PPA > https://launchpad.net/~rolfbensch/+archive/ubuntu/sane-git ? >
