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82 wiersze
4.3 KiB
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<!-- received="Sun May 25 15:52:07 1997 MST" -->
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<!-- sent="Mon, 26 May 1997 00:26:59 +0200" -->
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<!-- name="Thomas Blume" -->
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<!-- email="mblum1@nightshift.uni-paderborn.de" -->
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<!-- subject="Re: mustek-probs: color, preview" -->
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<!-- id="199705252226.AAA00601@nightshift.uni-paderborn.de" -->
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<!-- inreplyto="mustek-probs: color, preview" -->
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<title>sane-devel: Re: mustek-probs: color, preview</title>
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<h1>Re: mustek-probs: color, preview</h1>
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<b>Thomas Blume</b> (<a href="mailto:mblum1@nightshift.uni-paderborn.de"><i>mblum1@nightshift.uni-paderborn.de</i></a>)<br>
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<i>Mon, 26 May 1997 00:26:59 +0200</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#14">[ date ]</a><a href="index.html#14">[ thread ]</a><a href="subject.html#14">[ subject ]</a><a href="author.html#14">[ author ]</a>
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<li> <b>Next message:</b> <a href="0015.html">David Mosberger-Tang: "Re: problems with mscan-0.1 and paragon 600IICD"</a>
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<li> <b>Previous message:</b> <a href="0013.html">Thomas Blume: "Re: problems with mscan-0.1 and paragon 600IICD"</a>
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<li> <b>Maybe in reply to:</b> <a href="0044.html">Andreas Gaumann: "mustek-probs: color, preview"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0048.html">David Mosberger-Tang: "Re: mustek-probs: color, preview"</a>
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<!-- reply="end" -->
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</ul>
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<!-- body="start" -->
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<i>> Andreas> patch for 06000 SP-scanner) runs very slow but the images</i><br>
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^^^^^^^^^<br>
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Set SG_BIG_BUFF in /usr/include/scsi/sg.h to 1024*128 - 512. <br>
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This is the largest possible size to set. A larger buffer could<br>
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dramatically decrease start/stop overhead, but I don't know where<br>
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to get more bytes :-(<br>
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<p>
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<i>> Andreas> Another problem is in the preview-window. If I try to scan</i><br>
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<i>> Andreas> a preview-image the scanner starts to scan from the top</i><br>
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<i>> Andreas> till the bottom. But arriving at the bottom the head of the</i><br>
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<i>> Andreas> scanner stops while the LED at the front of the scanner is</i><br>
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<i>> Andreas> still blinking. Then nothing more happens and the only way</i><br>
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<i>> Andreas> to stop the scanner and to reset sane is to turn the</i><br>
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<i>> Andreas> scanner off, delete the modules and then start all</i><br>
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<p>
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This sounds like the "scanner suicide problem" with mustek scanners.<br>
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If you hear a strange noise then you should immediately turn off the<br>
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scanner. Last year I had 600 II SP which destroyed itself this way<br>
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(under NT) because Mustek seems to ignore the need for end position<br>
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sensors. <br>
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With the 1200SP this can happen, too, but this scanner seems to be more<br>
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robust.<br>
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<p>
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<i>> (a) The height of the scanner is not correct. At present, mustek.c defines</i><br>
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<i>> the height to be 360mm for your scanner type. If that's not correct,</i><br>
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<i>> could you measure the width and height of the scan area and let me know?</i><br>
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<i>> (you could also experiment/change with the width and height as defined</i><br>
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<i>> around line 339 in backend/mustek.c).</i><br>
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<p>
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<p>
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Sometimes the scanner can be confused after aborting a scan, but at<br>
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present I could not reproduce this.<br>
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<p>
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Thomas<br>
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<p>
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<p>
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<pre>
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--
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Thomas Blume <<a href="mailto:mblum1@hrz.uni-paderborn.de">mblum1@hrz.uni-paderborn.de</a>>
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Technische Chemie und Chemische Verfahrenstechnik, UNI-GH-Paderborn
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Tel.: +49 5251 602598 Fax: +49 5251 603244
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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.azstarnet.com/~axplinux/sane/">http://www.azstarnet.com/~axplinux/sane/</a>
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To unsubscribe: mail -s unsubscribe <a href="mailto:sane-devel-request@listserv.azstarnet.com">sane-devel-request@listserv.azstarnet.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="0015.html">David Mosberger-Tang: "Re: problems with mscan-0.1 and paragon 600IICD"</a>
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<li> <b>Previous message:</b> <a href="0013.html">Thomas Blume: "Re: problems with mscan-0.1 and paragon 600IICD"</a>
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<li> <b>Maybe in reply to:</b> <a href="0044.html">Andreas Gaumann: "mustek-probs: color, preview"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0048.html">David Mosberger-Tang: "Re: mustek-probs: color, preview"</a>
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<!-- reply="end" -->
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</ul>
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