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78 wiersze
3.5 KiB
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<!-- received="Fri Oct 31 16:16:54 1997 PST" -->
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<!-- sent="Sat, 01 Nov 1997 01:16:21 +0100" -->
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<!-- name="Joachim Woll" -->
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<!-- email="woll@physik.uni-kassel.de" -->
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<!-- subject="Re: Mustek 1200SP: Missing Lines" -->
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<title>sane-devel: Re: Mustek 1200SP: Missing Lines</title>
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<h1>Re: Mustek 1200SP: Missing Lines</h1>
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<b>Joachim Woll</b> (<a href="mailto:woll@physik.uni-kassel.de"><i>woll@physik.uni-kassel.de</i></a>)<br>
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<i>Sat, 01 Nov 1997 01:16:21 +0100</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#174">[ date ]</a><a href="index.html#174">[ thread ]</a><a href="subject.html#174">[ subject ]</a><a href="author.html#174">[ author ]</a>
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<li> <b>Next message:</b> <a href="0175.html">David Mosberger-Tang: "Re: Epson filmscan 200."</a>
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<li> <b>Previous message:</b> <a href="0173.html">Wolfgang Jung: "Re: Mustek 1200SP: Missing Lines"</a>
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<li> <b>Maybe in reply to:</b> <a href="0120.html">Joachim Woll: "Mustek 1200SP: Missing Lines"</a>
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</ul>
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<a href="mailto:becka@rz.uni-duesseldorf.de">becka@rz.uni-duesseldorf.de</a> wrote:<br>
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<p>
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<i>> This is really much ... What FW revision do you have ? What happens when setting</i><br>
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<i>> backtrack=yes ?</i><br>
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<p>
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Sane is reporting, that the firmware revision is 1.05Well, when I set "force<br>
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backtrack" within the graphical frontend the problem<br>
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seem to be fixed in gray scale mode. In color mode the tree colors are vertically<br>
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shifted<br>
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against each other.<br>
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<p>
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<i>> Ah. Seems to prove my guess that it happens at buffer boundaries.</i><br>
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<p>
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Yes. I think so too...<br>
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<p>
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<i>> As you seem to loose many lines (I only see small misalignments, a maximum of 1 line</i><br>
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<i>> maybe), you can probably check most easily :</i><br>
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<i>></i><br>
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<i>> - what happens at different resoultions ? I only see the effect at medium</i><br>
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<i>> resolutions of about 70-150 dpi. Higher resolutions are probably too slow moving</i><br>
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<i>> or the effect it not visible enough and at lower ones, I ususally have no</i><br>
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<i>> or only few boundaries.</i><br>
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<p>
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No I see that effect at all resolutions up to 600 dpi. (That is the maximum I tried)And<br>
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as I already mentioned: In gray scale mode the "backtrack"-option<br>
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fixes the problem. But in color mode scanned pictures are looking really awful..<br>
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<p>
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<i>> - does setting the speed-parameter produce any effect ?</i><br>
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<p>
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no. I could not recognize any change while varying the speed-parameter.<br>
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<p>
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<i>> Another thing :</i><br>
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<i>></i><br>
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<i>> Do you get a lockup (! system hangs, so take care !) when scanning with</i><br>
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<i>> -mode Color -resolution 111 -y 131 with the standard SCSI buffer of 32k ?</i><br>
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<p>
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It is a bit risky when the system is hanging...<br>
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But I will try it.<br>
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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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</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="0175.html">David Mosberger-Tang: "Re: Epson filmscan 200."</a>
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<li> <b>Previous message:</b> <a href="0173.html">Wolfgang Jung: "Re: Mustek 1200SP: Missing Lines"</a>
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<li> <b>Maybe in reply to:</b> <a href="0120.html">Joachim Woll: "Mustek 1200SP: Missing Lines"</a>
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<!-- nextthread="start" -->
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</ul>
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