<div dir="auto">None of you can help me with Ricoh SG 3100 scanner?<div dir="auto">I will be forced to change my scanner? </div><div dir="auto">THanks. ...</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Il Gio 25 Apr 2019 14:23 Rolf Bensch <<a href="mailto:rolf@bensch-online.de">rolf@bensch-online.de</a>> ha scritto:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Patrick,<br>
<br>
Pixma and genesys have different USB protocols. The 8800f cannot work<br>
with the genesys backend.<br>
<br>
The pushed button should be reported as target. Please try '$ scanimage<br>
-A' after pushing any button abd watch the line strting with--target.<br>
<br>
Hope this helps.<br>
<br>
Cheers,<br>
Rolf<br>
<br>
Am 25.04.19 um 09:38 schrieb Patrick Menschel:<br>
> Hi,<br>
><br>
> I'm new to the mailing list and to SANE as well.<br>
><br>
> I'd like to ask if there is documentation / guide how to add new devices<br>
> to the Genesys backend?<br>
><br>
> I'm facing the problem to get a CanoScan 8800f working on a headless<br>
> Raspberry Pi while using Scanbuttond to start different scan mode scripts.<br>
><br>
> As the CanoScan 8800f currently uses the PIXMA backend, it is limited to<br>
> 2 buttons and one is the on/off button, so no luck with that.<br>
><br>
> On the other hand, I tested the setup with a Canon Lide 220 that already<br>
> uses the Genesys backend and it worked exceptionally well.<br>
><br>
> For the Genesys backend, the CanoScan 8400f, the little brother of the<br>
> 8800f, is already included in backends/backend/genesyy_devices.c .<br>
><br>
> So the most promising solution would be to add the 8800f to the Genesys<br>
> backend instead of PIXMA.<br>
><br>
> Thanks and Best Regards,<br>
> Patrick Menschel<br>
><br>
><br>
<br>
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