[sane-devel] Canon Pixma G2000

[Iam Droidzone]

So, with the latest PPA updates, Ubuntu Xenial recognizes my G2000 as a
scanner. But I'm having the issue where usblp is claiming the device,
causing this to appear in dmesg, and the scanning jobs just stutter out:
"usb 1-1.4: usbfs: interface 1 claimed by usblp while 'scangui' sets config
#1"

I tried many workarounds including writing C code to release the device
from usblp as documented here:
https://bugzilla.redhat.com/show_bug.cgi?id=723696#c2

But usblp releases it and then claims it.
scanimage does not work from command line, or via xsane or scangearmp2.

Is there a known resolution?
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[sane-devel] Canon Pixma G2000 support

[Iam Droidzone]

I've been trying to get the Canon Pixma G2000 to work with Ubuntu 16.04.

I tried:

sane-find-scanner

  # 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.

could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
found USB scanner (vendor=0x04a9 [Canon], product=0x1795 [G2000 series]) at
libusb:001:010
could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
  # 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.

On trying 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).
root@hp:/etc/sane.d# gedit /usr/local/etc/sane.d/dll.conf

systemctl status saned.socket:
● saned.socket - saned incoming socket
   Loaded: loaded (/lib/systemd/system/saned.socket; enabled; vendor
preset: enabled)
   Active: active (listening) since Mon 2017-08-07 21:16:38 IST; 28min ago
   Listen: [::]:6566 (Stream)
 Accepted: 0; Connected: 0
Aug 07 21:16:38 hp systemd[1]: Listening on saned incoming socket.
Aug 07 21:34:26 hp systemd[1]: Listening on saned incoming socket.

The printing function is working with gutenprint. If only scanning too
worked, I could finally get Windows off the partition!

Could anyone tell me if it's possible to tweak up support for this printer?
I can provide logs for anything needed. It's a simple flatbed usb scanner
on a multifunction printer.

-Droidzone
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