Hi Per, Recently I committed a fix for this scanner.
You need to install latest SANE version from git as desribed here: http://www.sane-project.org/README.linux. Cheers, Rolf Am 30.07.2013 10:43, schrieb Per Andersson: > I use a Canon Pixma MG8250 as home printer and scanner for my Gentoo > Linux system. I never got the printer to work correctly via USB using > only CUPS+Gutenprint drivers (no Canon proprietary software), so I > switched to connecting the device via Ethernet to my router (lpd > protocol). This works very well. > > The scanner device (pixma) is detected by sane and I can read images > using scanimage. > > When scanning color images in higher resolutions (>75 dpi) the colors > are misaligned in the output file, only in the vertical direction. I > found a bug report of a similar issue (concerning another Canon Pixma > model) here: > https://alioth.debian.org/tracker/index.php?func=detail&aid=312022&group_id=30186&atid=410366 > > > This seems to throw some light on the problem, but I don't dare open > the source files and hack them myself... > > Per G. Andersson >