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<!-- received="Sun Jun 14 21:46:01 1998 PDT" -->
<!-- sent="Mon, 15 Jun 1998 06:48:17 +0000" -->
<!-- name="Christian Asam" -->
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<!-- subject="Re: Problems with Microtek ScanMaker 630" -->
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<title>sane-devel: Re: Problems with Microtek ScanMaker 630</title>
<h1>Re: Problems with Microtek ScanMaker 630</h1>
<b>Christian Asam</b> (<a href="mailto:Christian.Asam@gmx.de"><i>Christian.Asam@gmx.de</i></a>)<br>
<i>Mon, 15 Jun 1998 06:48:17 +0000</i>
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Bernd Schroeder wrote:<br>
<i>&gt; </i><br>
<i>&gt; Hi,</i><br>
<i>&gt; </i><br>
<i>&gt; On Sun, Jun 14, 1998 at 08:48:30PM +0000, Christian Asam wrote:</i><br>
<i>&gt; &gt; Hi,</i><br>
<i>&gt; &gt; the problems are:</i><br>
<i>&gt; &gt; - total system crashes (the console, X and the network are dead, the</i><br>
<i>&gt; &gt; only way to get the system up again is to reset it...)</i><br>
<i>&gt; </i><br>
<i>&gt; Hhm, I have never experienced that the whole system gets locked. Does</i><br>
<i>&gt; this happen always or only under certain circumstances ?</i><br>
Mostly when scanning, but not always...<br>
Yesterday I started scanning 300x300 24Megs and it locked up after a<br>
second. When I tried to scan 16M, it locked up after 10 or so.<br>
But later I was able to scan 80M without problems...<br>
<p>
Once I had such a lockup under Netscape, without scanning, but that was<br>
incomplete at first: I could login with the ssh and kill &amp; restart X,<br>
but couldn't shut it down sensibly without it locking up the system.<br>
I usually am used to that with Windows, but not with Linux.<br>
That system ran stable before.<br>
<p>
<i>&gt; </i><br>
<i>&gt; &gt; - color inversion: When preview in halftone or lineart mode,</i><br>
<i>&gt; &gt; the results are inverted, and after switching to 24bit color the colors</i><br>
<i>&gt; </i><br>
<i>&gt; This is a known bug in the version of the backend that was distributed</i><br>
<i>&gt; with sane-0.73. You might want to try</i><br>
<i>&gt; <a href="ftp://ftp.muc.de/people/bernds/mtek2/microtek2-0.3.tar.gz">ftp://ftp.muc.de/people/bernds/mtek2/microtek2-0.3.tar.gz</a>.</i><br>
<i>&gt; This version fixes the bug with the inverted 1-bit modes (and maybe it</i><br>
<i>&gt; helps that the system doesn't lock).</i><br>
Will try it.<br>
<i>&gt; </i><br>
<i>&gt; &gt; Does anyone here use the Microtek TMA?</i><br>
<i>&gt; &gt; Is yes: Is the "interface" to the scanner simple (switch type) or</i><br>
<i>&gt; &gt; complex (electronics)?</i><br>
<i>&gt; </i><br>
<i>&gt; I do not completely understand what you mean with this question, but at</i><br>
<i>&gt; least I can tell that a backend must support a TMA, and this is currently</i><br>
<i>&gt; not the case with the microtek(2) backend.</i><br>
Not neccesarely. The Windows (3.1)-program does not allow the user to<br>
choose the media type without a TMA being installed. It seems, as if the<br>
small D-SUB connector on the rear of the scanner is the interface to the<br>
TMA and the ASF, and enables it. I was not able to find reasonable<br>
information about it, but am assuming some type of an identification<br>
function.<br>
The reason for the question: I was sold a "universal" TMA that works<br>
nicely, but is not strong enough to manage against the main lamp.<br>
Returning it usually would be no problem, but I ont get to the shop in<br>
the next time...<br>
<p>
cu<br>
<p>
<pre>
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<ul>
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<li> <b>Next message:</b> <a href="0108.html">Hugo van der Kooij: "Re: Compiling 0.73 fails with egcs-1.0.3a"</a>
<li> <b>Previous message:</b> <a href="0106.html">rodgerd@ihug.co.nz: "Compiling 0.73 fails with egcs-1.0.3a"</a>
<li> <b>Maybe in reply to:</b> <a href="0102.html">Christian Asam: "Problems with Microtek ScanMaker 630"</a>
<!-- nextthread="start" -->
<li> <b>Next in thread:</b> <a href="0110.html">Christian Asam: "Re: Problems with Microtek ScanMaker 630"</a>
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</ul>