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<TITLE>sane-devel: Re: Acer 620ST update</TITLE>
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<META NAME="Author" CONTENT="Steve Underwood (steveu@coppice.org)">
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<META NAME="Subject" CONTENT="Re: Acer 620ST update">
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<H1>Re: Acer 620ST update</H1>
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<!-- received="Fri Jun 9 19:40:59 2000" -->
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<!-- name="Steve Underwood" -->
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<!-- subject="Re: Acer 620ST update" -->
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<!-- id="3941AAD4.ADB5882@coppice.org" -->
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<STRONG>From:</STRONG> Steve Underwood (<A HREF="mailto:steveu@coppice.org?Subject=Re:%20Acer%20620ST%20update&In-Reply-To=<3941AAD4.ADB5882@coppice.org>"><EM>steveu@coppice.org</EM></A>)<BR>
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<STRONG>Date:</STRONG> Fri Jun 09 2000 - 19:41:24 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0086.html">Ben Speirs: "Re: Problems with sane-scsi"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0084.html">Simon Edwards: "Acer 620ST update"</A>
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Simon Edwards wrote:
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<BR>
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<P><EM>> Greets,
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Some news. My 620 is now recognised. Yay. Turned out to be a compilation
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</EM><BR>
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<EM>> problem. gggrrrr. The new scapscan backend wasn't being compiled and
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</EM><BR>
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<EM>> installed. (The Makefiles don't seem very good.. They don't seems to
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</EM><BR>
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<EM>> have the right dependances setup..) Ok, so now xscanimage starts up and
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</EM><BR>
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<EM>> detects the scanner. Try to get a preview image => Floating Point
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</EM><BR>
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<EM>> Exception of Death! The debug info says that the inquiry command just
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</EM><BR>
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<EM>> returns 0 for the number of bytes for the preview image. A division by
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</EM><BR>
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<EM>> zero probably comes quickly after that. bummer.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Now, my theory for this is that the scanner is sleeping. On Win98 the
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</EM><BR>
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<EM>> scanner driver knows to "Warm Up" the scanner before it uses it. After a
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</EM><BR>
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<EM>> few minutes of inactivity the scanner goes back to the sleeping state.
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</EM><BR>
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<EM>> The driver can sense whether the scanner is sleeping. So, how do we wake
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</EM><BR>
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<EM>> up the scanner?
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Does anyone know of a SCSI bus sniffer for Win98?
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> When I get time I'll try to do an experiment by 'waking' the scanner up
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</EM><BR>
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<EM>> under windows then quickly booting into Linux and sane...
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</EM><BR>
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<P>My Acer 610plus wait for the scanner to warm up OK. The way it happens is
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<BR>
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kind of annoying. You start xsane and nothing appears to happen until the
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<BR>
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warm up has finished. Then the xsane windows appear. It takes a long time
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<BR>
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for the scanner to time-out, and turn off its light, so I've yet to find
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<BR>
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out what happens if you need to re-light the light while xsane is running.
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<BR>
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Maybe the Acer620 doesn't work the same way, or maybe you are looking in
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<BR>
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the wrong direction.
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<BR>
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<P>Steve
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<BR>
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<P><P><P><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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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20Acer%20620ST%20update&In-Reply-To=<3941AAD4.ADB5882@coppice.org>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0086.html">Ben Speirs: "Re: Problems with sane-scsi"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0084.html">Simon Edwards: "Acer 620ST update"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0092.html">Simon Edwards: "Re: Acer 620ST update"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Fri Jun 09 2000 - 19:42:17 PDT</EM>
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