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78 wiersze
3.7 KiB
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78 wiersze
3.7 KiB
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<!-- received="Mon Oct 20 15:22:41 1997 MST" -->
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<!-- sent="Mon, 20 Oct 1997 11:43:25 +0200 (MET DST)" -->
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<!-- name="becka@rz.uni-duesseldorf.de" -->
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<!-- email="becka@rz.uni-duesseldorf.de" -->
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<!-- subject="Re: mustek problems" -->
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<!-- id="199710200943.LAA00405@classic46.rz.uni-duesseldorf.de" -->
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<!-- inreplyto="199710200517.WAA15524@panda.mostang.com" -->
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<title>sane-devel: Re: mustek problems</title>
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<h1>Re: mustek problems</h1>
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<a href="mailto:becka@rz.uni-duesseldorf.de"><i>becka@rz.uni-duesseldorf.de</i></a><br>
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<i>Mon, 20 Oct 1997 11:43:25 +0200 (MET DST)</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#113">[ date ]</a><a href="index.html#113">[ thread ]</a><a href="subject.html#113">[ subject ]</a><a href="author.html#113">[ author ]</a>
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<li> <b>Next message:</b> <a href="0114.html">Matt Thompson: "./configure doesn't think I have X"</a>
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<li> <b>Previous message:</b> <a href="0112.html">David Mosberger-Tang: "mustek problems"</a>
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<li> <b>In reply to:</b> <a href="0112.html">David Mosberger-Tang: "mustek problems"</a>
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</ul>
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<i>> Andy> Please try, if scanimage --mode color --resolution 111 -y 131</i><br>
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<i>> Andy> hangs for you.</i><br>
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<i>> For what it's worth, I just tried this and it didn't hang for me.</i><br>
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<p>
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You are using the different SCSI buffer length, right ?<br>
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<p>
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Please try something that computes to a number of lines about a "natural<br>
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boundary", as set by the SCSI buffer length. E.g. if the debuglog says<br>
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you are reading 100 lines at a time, set it up in a way that would read<br>
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199.5 lines approximately.<br>
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<p>
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<i>> be shifts by 1 to 2 bytes. Oddly enough, my scanner now makes strange</i><br>
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<i>> noises too. The noises are not terrible, but the scanner sounds</i><br>
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<i>> definitely different from what it did back in Arizona. Makes me kind</i><br>
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<i>> of wonder whether the problem might be of mechanical nature.</i><br>
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I am already thinking in this direction, too. However my hangs are repro-<br>
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ducible, so we should try to find a fix or workaround.<br>
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<p>
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<i>> Could somebody with a Paragon 600 II SP try the following command with</i><br>
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<i>> a white paper with a bunch of black vertical lines on it?</i><br>
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<i>> </i><br>
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<i>> scanimage -d mustek --mode lineart --resolution 95 -x 218 -y 100 > out.pnm</i><br>
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<i>> </i><br>
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<i>> At present, I usually get a good scan, but every so often the lines</i><br>
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<i>> are displaced by 8 pixels. If you try this a couple of times and you</i><br>
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<i>> _always_ get good results, I'd like to hear about it.</i><br>
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<p>
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Hmm - maybe this is realted ... It seems to be a relatively weird resolution<br>
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and you are loosing/winning bytes ...<br>
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<p>
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Maybe this is what causes my lock, as the crappy NCR53c400 card is not at<br>
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all tolerant to any errors ...<br>
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<p>
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CU,Andy<br>
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<p>
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<pre>
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--
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Andreas Beck | Email : <<a href="mailto:becka@sunserver1.rz.uni-duesseldorf.de">becka@sunserver1.rz.uni-duesseldorf.de</a>>
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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="0114.html">Matt Thompson: "./configure doesn't think I have X"</a>
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<li> <b>Previous message:</b> <a href="0112.html">David Mosberger-Tang: "mustek problems"</a>
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<li> <b>In reply to:</b> <a href="0112.html">David Mosberger-Tang: "mustek problems"</a>
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<!-- nextthread="start" -->
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