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<title>sane-devel: Re: UMAX Astra 1200S lamp question</title>
<h1>Re: UMAX Astra 1200S lamp question</h1>
<b>Zygo Blaxell</b> (<a href="mailto:u3nzrrvm@umail.furryterror.org"><i>u3nzrrvm@umail.furryterror.org</i></a>)<br>
<i>25 Feb 1999 12:33:06 -0500</i>
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<li> <b>Next message:</b> <a href="0175.html">Joachim Kunze: "Re: Q: Problems with Mustek MFS1200SP"</a>
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In article &lt;<a href="mailto:9902251704.AA23776@beast.emg.sms.siemens.com">9902251704.AA23776@beast.emg.sms.siemens.com</a>&gt;,<br>
Matt Mozur &lt;<a href="mailto:sane-devel@mostang.com">sane-devel@mostang.com</a>&gt; wrote:<br>
<i>&gt;I also have a 1220S - the lamp does stay on for a while, but eventually</i><br>
<i>&gt;does shut off. it seems to be controlled by the scanner - as you said, </i><br>
<i>&gt;there doesn't seem to be any way to do it via the driver.</i><br>
<p>
It does shut off? How long does this take? I've left the scanner alone<br>
at night and the next morning the lamp is still on. Maybe it's getting<br>
some stray SCSI commands across the bus and those are keeping the lamp on?<br>
<p>
<i>&gt;Maybe I'll check the UMAX web site....</i><br>
<p>
It seems to be somewhat dead at the moment, at least from here. <br>
It's a little disturbing when a mailing list provides useful information<br>
faster than a vendor's web site. :-/<br>
<p>
<i>&gt;P.S. I believe that they use a cold cathode fluorescent lamp - nowadays</i><br>
<i>&gt;these lamps have lifetimes in excess of 25,000 hours to 50% luminance.</i><br>
<i>&gt;I've seen some lamps quoted now in excess of 40K hours.</i><br>
<p>
25K hours is ~3 years. Not quite solid-state, but close enough I guess...<br>
<p>
<pre>
--
Zygo Blaxell, Linux Engineer, Corel Corporation, <a href="mailto:zygob@corel.ca">zygob@corel.ca</a> (work),
<a href="mailto:zblaxell@furryterror.org">zblaxell@furryterror.org</a> (play). It's my opinion, I tell you! Mine! All MINE!
Size of 'diff -Nurw [...] winehq corel' as of Thu Feb 25 12:14:00 EST 1999
Lines/files: In 38 / 1, Out 8116 / 149, Both 8079 / 148
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<ul>
<!-- next="start" -->
<li> <b>Next message:</b> <a href="0175.html">Joachim Kunze: "Re: Q: Problems with Mustek MFS1200SP"</a>
<li> <b>Previous message:</b> <a href="0173.html">Matt Mozur: "Re: UMAX Astra 1200S lamp question"</a>
<li> <b>Maybe in reply to:</b> <a href="0172.html">Zygo Blaxell: "UMAX Astra 1200S lamp question"</a>
<!-- nextthread="start" -->
<li> <b>Next in thread:</b> <a href="0176.html">Oliver Rauch: "Re: UMAX Astra 1200S lamp question"</a>
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