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68 wiersze
2.9 KiB
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<!-- received="Tue Nov 17 06:21:54 1998 PST" -->
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<!-- sent="Tue, 17 Nov 1998 14:21:07 +0000" -->
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<!-- name="Dr. Andreas Bolsch" -->
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<!-- email="a.bolsch@ic.ac.uk" -->
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<!-- subject="Re: Mustek Paragon 12000SP V1.02 Problem" -->
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<!-- inreplyto="Mustek Paragon 12000SP V1.02 Problem" -->
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<title>sane-devel: Re: Mustek Paragon 12000SP V1.02 Problem</title>
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<h1>Re: Mustek Paragon 12000SP V1.02 Problem</h1>
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<b>Dr. Andreas Bolsch</b> (<a href="mailto:a.bolsch@ic.ac.uk"><i>a.bolsch@ic.ac.uk</i></a>)<br>
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<i>Tue, 17 Nov 1998 14:21:07 +0000</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#134">[ date ]</a><a href="index.html#134">[ thread ]</a><a href="subject.html#134">[ subject ]</a><a href="author.html#134">[ author ]</a>
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<li> <b>Next message:</b> <a href="0135.html">Juergen Loeb: "WEBCAM II"</a>
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<li> <b>Previous message:</b> <a href="0133.html">Oliver Rauch: "Re: Umax + Tekram doesn´t work"</a>
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<li> <b>Maybe in reply to:</b> <a href="0130.html">Matthias Fleischer: "Mustek Paragon 12000SP V1.02 Problem"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0161.html">Matthias Fleischer: "Re: Mustek Paragon 12000SP V1.02 Problem"</a>
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<!-- reply="end" -->
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</ul>
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<!-- body="start" -->
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I experienced a similar problem (besides some others)<br>
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when writing the backend for the ScanExpress models.<br>
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The reason for this problem was that the scanner does<br>
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not start necessarily with a red line on each read<br>
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(depending on resolution, buffer size). <br>
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<p>
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Maybe the line distance code for the SE works even<br>
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for your scanner, so try the following:<br>
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<p>
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Get the pre-1.00 of SANE, change in output_data (file backend/mustek.c)<br>
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<p>
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if (s->hw->flags & MUSTEK_FLAG_SE)<br>
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num_lines = fix_line_distance_se (s, num_lines,<br>
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bpl, data, extra);<br>
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<p>
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to<br>
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<br>
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s->ld.peak_res = SANE_UNFIX(s->val[OPT_RESOLUTION].w);<br>
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if ((s->hw->flags & MUSTEK_FLAG_SE) || 1)<br>
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num_lines = fix_line_distance_se (s, num_lines,<br>
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bpl, data, extra);<br>
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<p>
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recompile, install ... <br>
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<p>
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But use *ONLY* scanimage, and with a resolution of 75, 150, 300, 600dpi.<br>
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Otherwise your system will certainly<br>
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crash!<br>
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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="0135.html">Juergen Loeb: "WEBCAM II"</a>
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<li> <b>Previous message:</b> <a href="0133.html">Oliver Rauch: "Re: Umax + Tekram doesn´t work"</a>
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<li> <b>Maybe in reply to:</b> <a href="0130.html">Matthias Fleischer: "Mustek Paragon 12000SP V1.02 Problem"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0161.html">Matthias Fleischer: "Re: Mustek Paragon 12000SP V1.02 Problem"</a>
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<!-- reply="end" -->
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</ul>
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