Ok, so first turn debugging on, in order to grab some additional data. Run scanimage after some export commands:
export SANE_DEBUG_SANEI_USB=255 export SANE_DEBUG=255 export SANE_DEBUG_PIXMA=11 scanimage -L 2> scanimage.log and send back the scanimage.log file you'll get. Nicolas Le jeudi 26 novembre 2009 ? 08:36 +0100, Jean-Michel Pour? a ?crit : > Dear Friends, > > I am a happy sane user for several years, using first SCSI scanners and > now Epson scanners. Now some of my friends are migrating to GNU/Linux > and I am helping them. > > Here, the scanner is a Canon PIXMA 990 with Network (wifi) and USB > connection. > > The scanner is found: > > # sane-find-scanner will now attempt to detect your scanner. If the > # result is different from what you expected, first make sure your > # scanner is powered up and properly connected to your computer. > > # No SCSI scanners found. If you expected something different, make > sure that > # you have loaded a kernel SCSI driver for your SCSI adapter. > > found USB scanner (vendor=0x04a9 [Canon], product=0x1740 [MP990 series]) > at libusb:001:004 > # Your USB scanner was (probably) detected. It may or may not be > supported by > # SANE. Try scanimage -L and read the backend's manpage. > > # Not checking for parallel port scanners. > > # Most Scanners connected to the parallel port or other proprietary > ports > # can't be detected by this program. > > When starting Xsane with user or root account, no scanner is found. > scanimage -L does not return any value. > > scanimage -L > > No scanners were identified. If you were expecting something different, > check that the scanner is plugged in, turned on and detected by the > sane-find-scanner tool (if appropriate). Please read the documentation > which came with this software (README, FAQ, manpages). > > In the list of supported scanners, it is written "need some > verification". > > There does not seem to be a /dev entry for the scanner. > > Please tell me how I can help. > > Kind regards, > Jean-Michel > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-request at lists.alioth.debian.org