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<H1>Re: Problems with Acer ScanPrisa 640S</H1>
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<STRONG>From:</STRONG> <A HREF="mailto:cbagwell@sprynet.com?Subject=Re:%20Problems%20with%20Acer%20ScanPrisa%20640S&In-Reply-To=&lt;Springmail.105.971976991.0.62759600@www.springmail.com&gt;"><EM>cbagwell@sprynet.com</EM></A><BR>
<STRONG>Date:</STRONG> Thu Oct 19 2000 - 10:36:31 PDT
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I have a Acer 640BU Scanner which is USB. I've noticed a few problems
<BR>
&nbsp;with the sane-1.0.3 backend (using some USB patches). Most of them
<BR>
&nbsp;are lockup related.
<BR>
<P>I have better luck with the version of sane-1.0.1. You might download
<BR>
&nbsp;it and try it out. The same change you added to 1.0.3 is needed but
<BR>
&nbsp;label it as a SNAPSCAN600 instead of a PRISA620S.
<BR>
<P>Also, I'm slowing adding patches to the new snapscan webpage. They
<BR>
&nbsp;include patches for USB support and various snapshots of the
<BR>
&nbsp;developement between whats in sane-1.0.1 and sane-1.0.3.
<BR>
<P><A HREF="http://snapscan.sourceforge.net/">http://snapscan.sourceforge.net/</A> and
<BR>
<A HREF="http://sourceforge.net/projects/snapscan">http://sourceforge.net/projects/snapscan</A>
<BR>
<P>If anyone would like to help out on written web pages on how to set up
<BR>
&nbsp;our AFGA/Acer scanner it would be very helpful so I could concentrate
<BR>
&nbsp;on coding.
<BR>
<P>Chris
<BR>
<P>Patrik Stdhli wrote:
<BR>
<EM>&gt;
</EM><BR>
<EM>&gt; Hi
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; I just bought an Acer ScanPrisa 640S SCSI Scanner (Acard SCSI controller
</EM><BR>
<EM>&gt; included).
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; I applied the suggested modification
</EM><BR>
<EM>&gt; (<A HREF="http://www.mostang.com/mail-archive/sane-devel/2000-09/0180.html">http://www.mostang.com/mail-archive/sane-devel/2000-09/0180.html</A>) to
</EM><BR>
<EM>&gt; the snapscan driver.
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; The following happens when I try to scan:
</EM><BR>
<EM>&gt; 1) xsane starts ok
</EM><BR>
<EM>&gt; 2) as soon as I press the 'scan' or 'preview' button, xsane crashes with
</EM><BR>
<EM>&gt; a 'Floating Point Exception'.
</EM><BR>
<EM>&gt; After that, it's not even possible to detect the scanner any more (e.g.
</EM><BR>
<EM>&gt; with scanimage -L) - the programs just hang when they try to access
</EM><BR>
<EM>&gt; /dev/sg0.
</EM><BR>
<P><P><PRE>
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