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65 wiersze
3.2 KiB
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<!-- received="Fri Jan 15 03:51:27 1999 PST" -->
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<!-- sent="Fri, 15 Jan 1999 11:51:10 +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: Horizotal offset with Mustek SE 6000 SP" -->
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<!-- inreplyto="Horizotal offset with Mustek SE 6000 SP" -->
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<title>sane-devel: Re: Horizotal offset with Mustek SE 6000 SP</title>
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<h1>Re: Horizotal offset with Mustek SE 6000 SP</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>Fri, 15 Jan 1999 11:51:10 +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#118">[ date ]</a><a href="index.html#118">[ thread ]</a><a href="subject.html#118">[ subject ]</a><a href="author.html#118">[ author ]</a>
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<li> <b>Next message:</b> <a href="0119.html">Heinrich Rebehn: "Re: Horizotal offset with Mustek SE 6000 SP"</a>
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<li> <b>Previous message:</b> <a href="0117.html">Jan Setje-Eilers: "Microtek E6 and 1542 under FreeBSD 2.2.2"</a>
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<li> <b>Maybe in reply to:</b> <a href="0116.html">Heinrich Rebehn: "Horizotal offset with Mustek SE 6000 SP"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0119.html">Heinrich Rebehn: "Re: Horizotal offset with Mustek SE 6000 SP"</a>
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<!-- reply="end" -->
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</ul>
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My experiments with my SE-12000SP have shown that the<br>
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top 2.5mm (approx.) get lost even if the scanner is<br>
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instructed to start at the very top. Regarding the<br>
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left edge there is an offset of less then 1mm. And<br>
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the vertical scale is distorted (compared to<br>
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the nominal resolution, i.e. 600dpi) by about 1%.<br>
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<p>
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However, 0.5inch is not acceptable. I'd suspect a<br>
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mechanical defect. You might check the total scanning area with sheet of<br>
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raster paper.(Not very precise<br>
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though). And check whether this problems shows up<br>
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under Windows, too. <br>
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<br>
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The y-coordinate zero (referenced to the triangle<br>
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at the top *right*) is just multiplied by a scale<br>
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factor and otherwise unaltered embedded in the<br>
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SET_WINDOW command. AFAIK that value is interpreted<br>
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as an unsigned number, so a negative offset (which<br>
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would be necessary in your case) can't be specified.<br>
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<p>
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Oh, just to be sure we are thinking of the same<br>
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edge: By "left" you mean left edge of a sheet, so<br>
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when placed face down it's the right edge of the <br>
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scanning area, isn't it?<br>
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<p>
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<pre>
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--
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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="0119.html">Heinrich Rebehn: "Re: Horizotal offset with Mustek SE 6000 SP"</a>
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<li> <b>Previous message:</b> <a href="0117.html">Jan Setje-Eilers: "Microtek E6 and 1542 under FreeBSD 2.2.2"</a>
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<li> <b>Maybe in reply to:</b> <a href="0116.html">Heinrich Rebehn: "Horizotal offset with Mustek SE 6000 SP"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0119.html">Heinrich Rebehn: "Re: Horizotal offset with Mustek SE 6000 SP"</a>
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<!-- reply="end" -->
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</ul>
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