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4.2 KiB
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<!-- received="Tue Sep 16 19:29:56 1997 MST" -->
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<!-- sent="Tue, 16 Sep 1997 09:16:39 +0200 (CEST)" -->
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<!-- name="Michael Ritzert" -->
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<!-- email="Ritzert@T-Online.de" -->
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<!-- subject="Re: mustek problems in lineart mode" -->
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<!-- id="199709161735.TAA00442@Babylon5.wolfsburg.de" -->
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<!-- inreplyto="m0xAWnY-000BWYC@charon.beck-sw.de" -->
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<title>sane-devel: Re: mustek problems in lineart mode</title>
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<h1>Re: mustek problems in lineart mode</h1>
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<b>Michael Ritzert</b> (<a href="mailto:Ritzert@T-Online.de"><i>Ritzert@T-Online.de</i></a>)<br>
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<i>Tue, 16 Sep 1997 09:16:39 +0200 (CEST)</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#193">[ date ]</a><a href="index.html#193">[ thread ]</a><a href="subject.html#193">[ subject ]</a><a href="author.html#193">[ author ]</a>
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<li> <b>Next message:</b> <a href="0194.html">Dan Mueth: "Can't find device"</a>
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<li> <b>Previous message:</b> <a href="0192.html">Oliver.Rauch@Wolfsburg.DE: "Re: Dark scans from Astra 600S"</a>
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<li> <b>In reply to:</b> <a href="0188.html">becka@sunserver1.rz.uni-duesseldorf.de: "Re: mustek problems in lineart mode"</a>
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</ul>
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<!-- body="start" -->
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Hallo Andreas!<br>
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<p>
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On 15-Sep-97 <a href="mailto:becka@sunserver1.rz.uni-duesseldorf.de">becka@sunserver1.rz.uni-duesseldorf.de</a> wrote:<br>
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<i>>> >Is this command a "lockup-always" on your system ? Or does it work from</i><br>
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<i>>time </i><br>
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<i>>> >to time ?</i><br>
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<i>></i><br>
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<i>>> Well, I haven't tried it too often, but in most, not all, cases it locks up.</i><br>
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<i>>So it sounds this is a timing-related problem. I have an old 486DX/33 attached</i><br>
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<i>>to the scanner, so maybe it is slow enough most of the time ;-).</i><br>
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<p>
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Mine is a PPro200, so it shouldn't be too slow ;-)<br>
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<p>
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<i>>> >Moreover please note, that -l,-t,-x,-y might be ignored because the</i><br>
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<i>>mode-set</i><br>
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<i>>> >command might override these values.</i><br>
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<i>></i><br>
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<i>>> They actually seem to be accepted, but that shouldn't change the result</i><br>
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<i>>anyway.</i><br>
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<i>></i><br>
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<i>>Well - they are accepted, but in my case, they are ignored and the whole area</i><br>
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<i>>is scanned when it works. This is a "known feature".</i><br>
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<p>
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I've actually seen it work yesterday when I took another try. It scanned the A4<br>
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page and faxed it as it is supposed to.<br>
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<p>
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<i>>> Does it still lock up when you change the mode to Gray? </i><br>
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<i>>Haven't seen that happen. Maybe it does, too, but it is quite infrequent,</i><br>
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<i>>then.</i><br>
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<p>
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Good.<br>
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<p>
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<i>>> Here, it still does, but not that often (much less often, indeed).</i><br>
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<i>>> How big is your SCSI buffer?</i><br>
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<i>>32K. Unchanged, standard kernel.</i><br>
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<p>
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Could you try to set it to 127.5kB, if the scanner moves further, then?<br>
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<p>
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<i>>> Where does the scanner stop? (ruler on the scanner)</i><br>
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<i>>At 0. The scanner does its "calibration move" and that's it.</i><br>
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<p>
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That's not much ;-). Here it stops either at around 10cm or at the end of the<br>
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page. I calculated that around the 10cm mark the scanner should send out the<br>
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data, so I suppose it's a problem with the data reception.<br>
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<p>
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Ciao, Michael<br>
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<pre>
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---
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_
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|\/|_) -=> <a href="mailto:ritzert@cfg.hd.bw.schule.de">ritzert@cfg.hd.bw.schule.de</a> <=-
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| | \ *Michael Ritzert* - <a href="http://home.t-online.de/home/ritzert">http://home.t-online.de/home/ritzert</a>
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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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</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="0194.html">Dan Mueth: "Can't find device"</a>
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<li> <b>Previous message:</b> <a href="0192.html">Oliver.Rauch@Wolfsburg.DE: "Re: Dark scans from Astra 600S"</a>
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<li> <b>In reply to:</b> <a href="0188.html">becka@sunserver1.rz.uni-duesseldorf.de: "Re: mustek problems in lineart mode"</a>
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</ul>
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