sane-project-website/old-archive/2001-02/0179.html

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<TITLE>sane-devel: Re: HP5300C - USB-problems?</TITLE>
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<H1>Re: HP5300C - USB-problems?</H1>
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<STRONG>From:</STRONG> Oliver Neukum (<A HREF="mailto:Oliver.Neukum@lrz.uni-muenchen.de?Subject=Re:%20HP5300C%20-%20USB-problems?&In-Reply-To=&lt;01021823534801.01516@idun&gt;"><EM>Oliver.Neukum@lrz.uni-muenchen.de</EM></A>)<BR>
<STRONG>Date:</STRONG> Sun Feb 18 2001 - 14:53:48 PST
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On Sonntag, 18. Februar 2001 20:47, you wrote:
<BR>
<EM>&gt; Hi,
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; I got my scanner scanning! It does not bring me useable Images, but it
</EM><BR>
<EM>&gt; works once between rebooting. Well, I am now at t
</EM><BR>
<EM>&gt; he point all the others were, who wrote to the list weeks ago.
</EM><BR>
<P>This is interresting. This error occured early in the development of the X6
<BR>
driver.
<BR>
<P>How does the avision backend detected end of scan ?
<BR>
<P><EM>&gt; The differeces to my previous tries are the following:
</EM><BR>
<EM>&gt; OS: SuSE 7.0
</EM><BR>
<EM>&gt; Kernel: 2.4.0-test11 (with usb-scsi-patch)
</EM><BR>
<P>Could you try the newest ac kernel ? (unpatched)
<BR>
<P><EM>&gt; The buffersize has to be set to 32k! Neither 4k,8k,16k,48k nor 64k did
</EM><BR>
<EM>&gt; work.. Only one scan was possible. Rescanning with the same resolution
</EM><BR>
<EM>&gt; results in the same filesize, but the head of the scanner doesn't move
</EM><BR>
<EM>&gt; properly. That's why the image is even more unuseable - it contains parts
</EM><BR>
<EM>&gt; of the old image. Changing the resolution causes more trash. Here's the
</EM><BR>
<EM>&gt; image I scanned: <A HREF="http://www.freeresources.de/misc/steindlberger/">http://www.freeresources.de/misc/steindlberger/</A>
</EM><BR>
<P>Could you try switching off and on again your scanner between scans ?
<BR>
<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Regards
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Oliver Neukum
<BR>
<P><PRE>
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