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80 wiersze
3.5 KiB
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<!-- received="Mon Mar 9 01:24:16 1998 PST" -->
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<!-- sent="Mon, 9 Mar 1998 10:24:25 +0100 (MET)" -->
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<!-- name="Andreas Czechanowski" -->
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<!-- email="m075@ins.uni-stuttgart.de" -->
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<!-- subject="Re: Mustek 600 II N problems" -->
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<!-- id="Pine.HPP.3.96.980309095323.2811A-100000@inshp01.ins.uni-stuttgart.de" -->
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<!-- inreplyto="199803062009.VAA14176@leonardo.lls.se" -->
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<title>sane-devel: Re: Mustek 600 II N problems</title>
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<h1>Re: Mustek 600 II N problems</h1>
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<b>Andreas Czechanowski</b> (<a href="mailto:m075@ins.uni-stuttgart.de"><i>m075@ins.uni-stuttgart.de</i></a>)<br>
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<i>Mon, 9 Mar 1998 10:24:25 +0100 (MET)</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#54">[ date ]</a><a href="index.html#54">[ thread ]</a><a href="subject.html#54">[ subject ]</a><a href="author.html#54">[ author ]</a>
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<li> <b>Next message:</b> <a href="0055.html">Andreas Czechanowski: "Re: Limited success with Mustek 600 II N & Sane 0.71"</a>
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<li> <b>Previous message:</b> <a href="0053.html">Andrew S. Howell: "qcam setup"</a>
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<li> <b>In reply to:</b> <a href="0028.html">Johan Bengtsson: "Mustek 600 II N problems"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0092.html">Henning Meier-Geinitz: "Re: Mustek 600 II N problems"</a>
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</ul>
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<!-- body="start" -->
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Hello Johan !<br>
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<p>
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On Fri, 6 Mar 1998, Johan Bengtsson wrote:<br>
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<p>
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<i>> is there anything i can do to make it work?</i><br>
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<p>
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Try the following (as root), as a first error localization:<br>
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<p>
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export SANE_DEBUG_MUSTEK=3<br>
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export SANE_DEBUG_SANEI_AB306=4<br>
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xscanimage mustek<br>
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<p>
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Your scanner *may* work now, because of the additional delay of the<br>
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debugging messages. If not, send me the debugging output you get.<br>
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<p>
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<i>> When I start xscanimage (logged in as root) the scanners lamp is </i><br>
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<i>> blinking and there are the normal sounds of the scanner starting up, </i><br>
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<i>> but when i try to scan or preview an image the program looks up....</i><br>
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<p>
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This problem was reported by someone before who uses a Pentium-200.<br>
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It seems to be a weird timing problem produced by the Mustek<br>
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firmware-programmers:<br>
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<p>
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The scanner indicates "ready", but there are still some internal flags<br>
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not set correctly. So, when the Linux-machine is fast enough polling<br>
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the ISA bus interface, it sends the first command byte before the<br>
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scanner's u-controller has redirected the interrupt in the right way.<br>
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On my old 386-33, this was never a problem, but since I also have<br>
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upgraded to a 586-200, the same effect occurs.<br>
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<p>
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I'll re-send a patch to this mailing list I got from the one who<br>
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found this timing problem first (re-checking the patch before).<br>
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It basicly adds some delay at the critical positions.<br>
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<p>
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Regards,<br>
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<p>
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Andreas.<br>
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<p>
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<p>
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<p>
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<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">majordomo@mostang.com</a>
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</pre>
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<!-- body="end" -->
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0055.html">Andreas Czechanowski: "Re: Limited success with Mustek 600 II N & Sane 0.71"</a>
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<li> <b>Previous message:</b> <a href="0053.html">Andrew S. Howell: "qcam setup"</a>
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<li> <b>In reply to:</b> <a href="0028.html">Johan Bengtsson: "Mustek 600 II N problems"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0092.html">Henning Meier-Geinitz: "Re: Mustek 600 II N problems"</a>
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<!-- reply="end" -->
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</ul>
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