sane-project-website/old-archive/2001-07/0199.html

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<H1>&quot;Epson and SANE/XSANE problem</H1>
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<STRONG>From:</STRONG> Jean-Luc Coulon (<A HREF="mailto:jean-luc.coulon@wanadoo.fr?Subject=Re:%20&quot;Epson%20and%20SANE/XSANE%20problem&In-Reply-To=&lt;3B4B1CE0.E4AA1F2@wanadoo.fr&gt;"><EM>jean-luc.coulon@wanadoo.fr</EM></A>)<BR>
<STRONG>Date:</STRONG> Tue Jul 10 2001 - 08:18:56 PDT
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Hi,
<BR>
<P>I've remarked this problem when using the preview:
<BR>
<P>If I click on &quot;Acquire preview&quot; then, while running, &quot;cancel preview&quot;
<BR>
I get the following message :
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;Backends sends more image data that it defined in parameters&quot;
<BR>
<P>Then, if I click again on &quot;Acquire preview&quot;, I get the message :
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;Failed to start scanner: Invalid argument&quot;
<BR>
<P>I cannot close xsane with the [X] button, I've to kill the task from the
<BR>
window manager. At this point, xsane is eating most of the cpu ; Only a
<BR>
&quot;kill -s 15&quot; is able to kill the task.
<BR>
<P>Then if I start xsane again, it stay in the state &quot;scanning for
<BR>
devices&quot;.
<BR>
<P>After a while, I get:
<BR>
usb_control/bulk_msg: timeout
<BR>
scanner.c: write_scanner: NAK received.
<BR>
&nbsp;
<BR>
To be able to have the system to work again, I've to do a power off/on
<BR>
of
<BR>
the scanner. Sometimes, I get:
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;scanner.c: close_scanner(0): invalid scn_minor&quot;
<BR>
<P>system is :
<BR>
linux 2.2.20pre (the same occurs with 2.2.19 or 2.4.6-ac).
<BR>
sane-backends-1.0.5
<BR>
xsane-0.78
<BR>
The scanner is an Epson Perfection 1640SU Photo.
<BR>
<P>----------
<BR>
Regards
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Jean-Luc
<BR>
<P><P><PRE>
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