Public bug reported:
Attempting to use Gnome Scan (0.4.1-0ubuntu4) with a Canon CanoScan LIDE
25 USB scanner results in the following error after Gnome Scan goes
through its 'Probing devices' phase.
'An error occured while accessing device !
The scan backend returned the following error: Invalid argument'
The scanner is recognized by the Lenovo W500 laptop:
$ scanimage -L
device `v4l:/dev/video0' is a Noname UVC Camera (17ef:4807) virtual device
device `plustek:libusb:005:003' is a Canon CanoScan LiDE25 flatbed scanner
$
Using scanimage directly appears to use the wrong device by default:
$ scanimage
scanimage: open of device v4l:/dev/video0 failed: Invalid argument
$
Some sort of scan can be made manually (although I haven't properly
adjusted settings etc.):
$ scanimage -d plustek:libusb:005:003 --format=tiff >test.tiff
This controls the scanner and produces a scanned .tiff image.
I am using Ubuntu 8.10.
I modified the file /etc/sane.d/plustek.conf to identify the scanner
properly - see attached.
PS I am selecting 'I don't know' for the package containing the bug
because I get an error on submission of this report saying "gnome-scan"
does not exist in Ubuntu. Please choose a different package. If you're
unsure, please select "I don't know".
** Affects: ubuntu
Importance: Undecided
Status: New
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Gnome Scan fails to find USB scanner with 'The scan backend returned the
following error: Invalid argument'
https://bugs.launchpad.net/bugs/312097
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