sane-project-website/old-archive/1997-07/0007.html

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<!-- name="Thomas Blume" -->
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<title>sane-devel: Re: forwarded message from Andre Kunth</title>
<h1>Re: forwarded message from Andre Kunth</h1>
<b>Thomas Blume</b> (<a href="mailto:mblum1@tc9.uni-paderborn.de"><i>mblum1@tc9.uni-paderborn.de</i></a>)<br>
<i>Tue, 1 Jul 1997 21:35:24 +0200</i>
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<i>&gt; I'm forwarding this mail since I believe somebody else on this list is</i><br>
<i>&gt; having the same scanner and firmware. I don't recall what the state</i><br>
<i>&gt; is with respect to the MFS-12000SP. Maybe those with the same scanner</i><br>
<i>&gt; can provide some insight?</i><br>
<i>&gt; </i><br>
<i>&gt; --david</i><br>
<i>&gt; </i><br>
[...]<br>
<p>
<i>&gt; we are running a MFS12000SP Scanner from Mustek (Firmware 1.02).</i><br>
<i>&gt; I got sane-0.57 (the only programm works somehow with the Mustek) under</i><br>
<i>&gt; Linux and tried out certain things.</i><br>
<i>&gt; BUT: The only resolution which works correctly is 36dpi (!). That means</i><br>
<i>&gt; the Scanner behaves normal in this Mode. (Colormode)</i><br>
<i>&gt; Increasing the resolution to significantly over 100dpi results in a</i><br>
<i>&gt; scanner, which is scattering wildly. </i><br>
<i>&gt; Additionally 600dpi in Grayscale-Mode results in a scanner, which</i><br>
<i>&gt; runs out of range and bounces (the progress bar is much slower than the</i><br>
<i>&gt; scanner reaches its bounds :-)</i><br>
<i>&gt; In debugging mode only 4096 Bytes are transfered at once, although</i><br>
<i>&gt; SG_BIG_BUFF is much bigger and I hope also in affect.</i><br>
<i>&gt; </i><br>
<i>&gt; I'm using a PPro 200 with Linux-Kernel 2.0.27</i><br>
<p>
- The 1200SP (1.02) does not need the line distance fix, so you should<br>
run configure with the corresponding option. <br>
<p>
- You should set SG_BIG_BUF to 128*1024-512 and recompile the kernel<br>
(and sane!) to make it aware of the change.<br>
<p>
- from my experience with this device the scan area is set correctly<br>
by sane, but under certain conditions which I could not reproduce, the<br>
scanner in fact starts a scan without resetting.<br>
<p>
Bye,<br>
<p>
Thomas<br>
<p>
<p>
<pre>
---
Thomas Blume &lt;<a href="mailto:mblum1@hrz.uni-paderborn.de">mblum1@hrz.uni-paderborn.de</a>&gt;
Technische Chemie und Chemische Verfahrenstechnik, UNI-GH-Paderborn
Tel.: +49 5251 602598 Fax: +49 5251 603244
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