[sane-devel] umax1220u: sane_start: Invalid argument

m. allan noah kitno455 at gmail.com
Wed Dec 17 20:50:04 UTC 2008

You could try to get a debug log of the backend in operation:

SANE_DEBUG_UMAX1220U=255 scanimage 2>error.log

you might also try a 32 bit system just to see if that is it...


On Wed, Dec 17, 2008 at 3:35 PM, D. Hugh Redelmeier <hugh at mimosa.com> wrote:
> I'm just trying to start using SANE.  I'm puzzled by the error message
> I get:
>    # scanimage --version
>    scanimage (sane-backends) 1.0.19; backend version 1.0.19
>    # scanimage -L
>    device `umax1220u:libusb:004:002' is a UMAX Astra 2100U flatbed scanner
>    # scanimage -d umax1220u:libusb:004:002 > outfile.pnm
> ==> scanimage: sane_start: Invalid argument
> Background information:
> - I get the same result on Fedora 10 x86-64 and on Ubuntu 8.10 AMD64.
>  (The log above is from Fedora/)
> - The FAQ has an entry on this message but it doesn't seem to help in
>  this case.
> - An strace on the Fedora system shows that the device is opened.
>  Just before the failure, scanimage does a bunch of USBDEVFS_CONTROL
>  ioctls on the device's file descriptor.
> Any suggestions?
> (I was about to get rid of the scanner because we switched from
> MS Windows years ago.  Then I discovered that SANE now supports this
> model.  Great!  Thanks!)
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