[sane-devel] CanoScan 8800f on Genesys backend

[Vittorio Vigoriti]

None of you can help me with Ricoh SG 3100 scanner?
I will be forced to change my  scanner?
THanks. ...

Il Gio 25 Apr 2019 14:23 Rolf Bensch <rolf at bensch-online.de> ha scritto:

> Hi Patrick,
>
> Pixma and genesys have different USB protocols. The 8800f cannot work
> with the genesys backend.
>
> The pushed button should be reported as target. Please try '$ scanimage
> -A' after pushing any button abd watch the line strting with--target.
>
> Hope this helps.
>
> Cheers,
> Rolf
>
> Am 25.04.19 um 09:38 schrieb Patrick Menschel:
> > Hi,
> >
> > I'm new to the mailing list and to SANE as well.
> >
> > I'd like to ask if there is documentation / guide how to add new devices
> > to the Genesys backend?
> >
> > I'm facing the problem to get a CanoScan 8800f working on a headless
> > Raspberry Pi while using Scanbuttond to start different scan mode
> scripts.
> >
> > As the CanoScan 8800f currently uses the PIXMA backend, it is limited to
> > 2 buttons and one is the on/off button, so no luck with that.
> >
> > On the other hand, I tested the setup with a Canon Lide 220 that already
> > uses the Genesys backend and it worked exceptionally well.
> >
> > For the Genesys backend, the CanoScan 8400f, the little brother of the
> > 8800f, is already included in backends/backend/genesyy_devices.c .
> >
> > So the most promising solution would be to add the 8800f to the Genesys
> > backend instead of PIXMA.
> >
> > Thanks and Best Regards,
> > Patrick Menschel
> >
> >
>
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