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<TITLE>sane-devel: Re: No SANE Devices Found</TITLE>
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<META NAME="Author" CONTENT="Henning Meier-Geinitz (henning@meier-geinitz.de)">
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<META NAME="Subject" CONTENT="Re: No SANE Devices Found">
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<H1>Re: No SANE Devices Found</H1>
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<!-- received="Mon Apr 30 10:14:42 2001" -->
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<!-- name="Henning Meier-Geinitz" -->
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<!-- subject="Re: No SANE Devices Found" -->
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<STRONG>From:</STRONG> Henning Meier-Geinitz (<A HREF="mailto:henning@meier-geinitz.de?Subject=Re:%20No%20SANE%20Devices%20Found&In-Reply-To=<20010430184609.A29674@vortex.swb.de>"><EM>henning@meier-geinitz.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Mon Apr 30 2001 - 09:46:09 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0317.html">Henning Meier-Geinitz: "Re: same old "no device" problem"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0315.html">Simon Krix: "(no subject)"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0314.html">Thomas Gebhardt: "Re: No SANE Devices Found"</A>
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<P>
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Hi,
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<BR>
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<P>On Mon, Apr 30, 2001 at 10:57:07AM +0200, Thomas Gebhardt wrote:
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<BR>
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<EM>> I figured out (when I had a look at the sources) that the generic
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</EM><BR>
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<EM>> 2.4.3 Linux USB Sanner driver cannot handle the LT 9452 because
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</EM><BR>
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<EM>> only scanners with "two or three USB endpoints" are supported.
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</EM><BR>
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<EM>> The LT 9452 has just one "USB endpoint".
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> My background knowledge about USB is too limited to get an idea
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</EM><BR>
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<EM>> about what that means. So I returned the scanner back.
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</EM><BR>
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<P>I don't know much more but I think usually there is a bulk write, bulk
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<BR>
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read and maybe a control endpoint. E.g. the BearPaw scanners ahve only
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<BR>
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the two bulk endpoints and use them for transfering commands and data.
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<BR>
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Probably your scanner uses only the controll endpoint and "Misuses" it
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<BR>
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for data, too.
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<BR>
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<P>Bye,
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<BR>
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Henning
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<BR>
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<P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20No%20SANE%20Devices%20Found&In-Reply-To=<20010430184609.A29674@vortex.swb.de>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0317.html">Henning Meier-Geinitz: "Re: same old "no device" problem"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0315.html">Simon Krix: "(no subject)"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0314.html">Thomas Gebhardt: "Re: No SANE Devices Found"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Mon Apr 30 2001 - 10:17:35 PDT</EM>
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