[sane-devel] Canon PIXMA 990 sane support

[Jean-Michel Pouré]

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
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