If you uninstall the Canon "DR-C125 Driver for Linux V1.0 (v1.0)" software, does this color shift still happen?
allan On Tue, Mar 15, 2016 at 7:37 AM, el-ti <t...@ewetel.net> wrote: > The system is using the libsane version from the PPA: 1.0.26-git20160305-wily0 > > It was installed above the one from Ubuntu’s repositories, when I added the > PPA. > > el-ti > > Am 15.03.2016 um 12:22 schrieb m. allan noah: >> You have installed both sane-backends, and canon's driver? Which one >> are you using? Assuming you are actually using sane-backends, we will >> have to modify the code to control the color descrambling. >> >> allan >> >> On Tue, Mar 15, 2016 at 6:08 AM, el-ti <t...@ewetel.net> wrote: >> > Hello, >> > >> > I have an appendix to make – maybe someone has a hint for me, why the >> > scanner behaves really strange: >> > >> > Depending on the scanning resolution, the shifting on the color range is >> > different! I used the following command to test this: >> > >> > scanimage --batch --source "ADF Duplex" --page-width 210 >> > --page-height=297 -l 0 -t 0 -x 210 -y 297 --mode Color --resolution 300 >> > >> > Then I tried all available resolutions: 100, 150, 200, 240, 300, 400, >> > 600. The results are strange: >> > >> > Scanning with 100,150,200 gives me: >> > Blue -> Red >> > Red -> Green >> > Green -> Blue >> > >> > Scanning with 300 and 400 gives me: >> > Blue -> Green >> > Green -> Red >> > Red -> Blue >> > >> > And scanning with 240 and 600 shows the RIGHT colors. >> > >> > How is that possible? And how can this problem be solved? >> > >> > >> > I installed Rolf Bensch’s PPA >> > (https://launchpad.net/~rolfbensch/+archive/ubuntu/sane-git), because it >> > solved the back page cutting problem when scanning Duplex. (see >> > http://permalink.gmane.org/gmane.comp.graphics.scanning.sane.devel/24903) >> > >> > Other than that, I only installed the Canon "DR-C125 Driver for Linux >> > V1.0 (v1.0)". >> > >> > Any hint is appreciated! >> > el-ti >> > >> > Am 04.03.2016 um 10:59 schrieb el-ti: >> >> Dear Sane-developers and users, >> >> >> >> through this very helpful discussion >> >> (http://permalink.gmane.org/gmane.comp.graphics.scanning.sane.devel/24903), >> >> I managed to get my Canon Scanner working in Duplex without cutting 1 cm >> >> of the back page. >> >> >> >> Everything seems to work fine. However, I discovered a very strange >> >> behaviour regarding the colour management: When scanning in simplex >> >> mode, everything works fine. There is no page cutting and colours are as >> >> they should be. But in duplex mode, the colours are somehow shifted on >> >> the colour range: Blue is scanned as green, green is scanned as red, red >> >> is scanned as blue (for both back and front page). >> >> >> >> Is there an easy solution for this? Or did I forget to install something? >> >> >> >> Thank you very much! >> >> el-ti >> >> >> > >> > >> > -- >> > sane-devel mailing list: sane-devel@lists.alioth.debian.org >> > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel >> > Unsubscribe: Send mail with subject "unsubscribe your_password" >> > to sane-devel-requ...@lists.alioth.debian.org >> >> >> > -- "well, I stand up next to a mountain- and I chop it down with the edge of my hand" -- sane-devel mailing list: sane-devel@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel Unsubscribe: Send mail with subject "unsubscribe your_password" to sane-devel-requ...@lists.alioth.debian.org
