[sane-devel] Raspberry Pi scanning ADF multipages

2014-05-05 Thread Carl Davis
Hi, I was able to get scanimage to work with my RPi when scanning single pages or two pages. However, if I try to do three or more pages the scan stops in the middle of the scan and fails with the error below. I hoped someone might give me some idea on where to look next to try to resolve this? s

[sane-devel] Canon DR-2580C only low resolutions

2013-05-24 Thread Carl Davis
solutions. 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? > > allan > > On Fri, May 24, 2013 at 11:05 AM, Carl Davis wrote: > > Hello, > > > > I have a Canon DR-258

[sane-devel] Canon DR-2580C only low resolutions

2013-05-24 Thread Carl Davis
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 argument" This problem does not exist on 12.04(1.0.22-7ubuntu1) but does on 12.10 and 13.04 (1.0.23-0ubuntu1). I have