[sane-devel] Canon DR-2580C only low resolutions
carl at carldavis.com
Fri May 24 16:15:35 UTC 2013
Hopefully this is what you are seeking.
On Fri, May 24, 2013 at 10:50 AM, m. allan noah <kitno455 at gmail.com> wrote:
> Yes- i think there is some problem with the calibration code on these
> machines, at higher resolutions the calibration is done differently
> than in lower resolutions. Perhaps the old version of the code did
> different calibration. How about telling which version of
> sane-backends is in use on your two systems?
> On Fri, May 24, 2013 at 11:05 AM, Carl Davis <carl at carldavis.com> wrote:
> > Hello,
> > I have a Canon DR-2580C. If I scan at anything above a –resolution of
> 240 my
> > attempted scan fails with:
> > "scanimage: open of device canon_dr:libusb:001:012 failed: Invalid
> > This problem does not exist on 12.04(1.0.22-7ubuntu1) but does on 12.10
> > 13.04 (1.0.23-0ubuntu1). I have run:
> > "SANE_DEBUG_CANON_DR=30 scanimage --resolution=300 > 2580-1.pnm
> > 2>2580-13.04.log"
> > and attached the log file to this email. I have also run the same
> command on
> > 12.04 (which succeeds) but it is 8MB bzipped so I won't attach it to list
> > mail unless requested.
> > Thanks,
> > Carl
> > --
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> "The truth is an offense, but not a sin"
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