[sane-devel] scanimage -L detects no scanners / sane-find-scanner does -- on MacOS

[m. allan noah]

The proprietary software does not use sane, and if it currently has
control of the scanner, sane will not be able to work.

allan

On Fri, May 7, 2021 at 5:12 PM Media Mouth <communque at gmail.com> wrote:
>
> Well noting yet.  Any reason to think that using the proprietary software that comes with a Fujitsu scanner "ScanSnap.app" might do something that interferes with SANE.  (I'm suspect SANE is their underlying engine)
>
> We are and have been able to scan using ScanSnap, and for a brief moment yesterday we were also able to run `scanimage` and save a .pnm
>
> On May 7, 2021, at 12:05 PM, m. allan noah <kitno455 at gmail.com> wrote:
>
> Unknown- look for OSX system logs that might include USB related errors.
>
> allan
>
> On Fri, May 7, 2021 at 2:09 PM Media Mouth <communque at gmail.com> wrote:
>
>
> So we're apparently back to the original question...
>
> "Re: [sane-devel] scanimage -L detects no scanners / sane-find-scanner does -- on MacOS"
>
> `sane-find-scanner` returns `found USB scanner (vendor=0x04c5 [Fujitsu], product=0x132b [ScanSnap iX500]) at libusb:000:002`
> and
> `scanimage -L` returns `No scanners were identified. If you were expecting something different` etc.
>
> It was after your request for the stdout of  `SANE_DEBUG_FUJITSU=50 SANE_DEBUG_SANEI_CONFIG=10 scanimage -L`
> that it suddenly started working, so I wondered if by some magic that was waking something up, but running it again made not difference this go around.
>
> Any ideas?
>
>
> On May 7, 2021, at 6:26 AM, MediaMouth <communque at gmail.com> wrote:
>
> It did ... and then it didn't.  Right after successfully scanning a page, subsequent attempts, using the same command, failed with error "invalid argument".
>
> On May 7, 2021, at 05:14, m. allan noah <kitno455 at gmail.com> wrote:
>
> "device `fujitsu:ScanSnap iX500:330189' is a FUJITSU ScanSnap iX500 scanner"
>
> looks like it works?
>
>
>
>
> --
> "well, I stand up next to a mountain- and I chop it down with the edge
> of my hand"
>
>


-- 
"well, I stand up next to a mountain- and I chop it down with the edge
of my hand"