On Samstag, 10. November 2007, Guillermo Espertino | OHWEB wrote: > I'm using Ubuntu Gutsy Gibbon, but this problem is there since Dapper Drake > (and it was there too wiht Edgy Eft and Feisty Fawn). > My Scanner, a Canon Canoscan 1220U, scans in very bad quality with vertical > stripes (more visible in dark areas). > The scanner works fine (I mean, it's not a hardware problem), I tested it in > Windows XP with its proprietary drivers and it works perfectly. > In ubuntu It seems to be more precise (I can see even the paper texture in > high resolution scans) but those vertical stripes make the scans unusable > (they're strong enough to make the removal via postprocessing impossible). > I've browsed the web and the mailing list, and all I can find about it is > that the problem with vertical stripes in Canon scanners is solved. > I'm using the latest backend available in Ubuntu 7.10 and tried with > different frontends (gnomescan-flegita, xsane, scanimage). All the same, > vertical stripes. > I've read about callibration and checked the configuration file, but nothing > gave me possitive results. > I'm a graphic designer, so the scanner is an important tool for my work. > Right now I'm using it under a virtualized Windows installation, but I'd > really like to get rid of it as soon as possible. > Any ideas or suggestions? > Which backend version are you using?
export SANE_DEBUG_PLUSTEK=5 ; scanimage -L see second line. - Gerhard
