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

[m. allan noah]

I mean currently running and talking to the scanner. Perhaps something
like monitoring for button presses. In general, you would not have
both the factory software and sane on the machine at the same time.

On Fri, May 7, 2021 at 7:26 PM MediaMouth <communque at gmail.com> wrote:
>
> Control, meaning 'currently scanning' or meaning it has run, therefore made some kind of a settings change, such that even when not launched retains "control"
>
> > On May 7, 2021, at 16:23, m. allan noah <kitno455 at gmail.com> wrote:
> >
> > 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"



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