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<TITLE>sane-devel: Re: Problems with saned/net backend</TITLE>
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<META NAME="Author" CONTENT="Jaeger, Gerhard (gjaeger@sysgo.de)">
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<H1>Re: Problems with saned/net backend</H1>
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<!-- name="Jaeger, Gerhard" -->
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<STRONG>From:</STRONG> Jaeger, Gerhard (<A HREF="mailto:gjaeger@sysgo.de?Subject=Re:%20Problems%20with%20saned/net%20backend&In-Reply-To=<00101617132400.10154@gja>"><EM>gjaeger@sysgo.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Mon Oct 16 2000 - 08:06:11 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0172.html">miller: "New Scanner - Epson Perfection 1640SU (SCSI /USB)"</A>
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<P>
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On Mon, 16 Okt 2000, mh wrote:
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<BR>
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[SNIP]
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<BR>
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<EM>> > strange problem!
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</EM><BR>
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<EM>> it seems that I always have really strange problems ;-)
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</EM><BR>
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<P>YES, INDEED ;-))))
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<BR>
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<P><P><EM>> Hmm, this is definitely not the noise I normally hear during calibration :-(
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</EM><BR>
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<EM>> It's that typical noise (something like "clack,clack,clack") you can hear
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</EM><BR>
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<EM>> when the scanner moves beyond it's end position (what happens sometimes in
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</EM><BR>
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<EM>> binary or halftone mode).
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</EM><BR>
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<P>You might patch the file models.c of the driver, in function
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<BR>
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modelInitPageSettings() line 92 or so there's the line:
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<BR>
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<P>ps->LensInf.rExtentY.wMax += 64;
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<BR>
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<P>Increase the value, try and use 65, 96 or even 128 and check if the
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<BR>
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clack, clack in binary or halftone mode disappears.
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<BR>
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This will not cure the other effect!
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<BR>
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This sounds like the driver doesn't correctly detect the home-position
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<BR>
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of the sensor. Can you have a look at the motor or even the sensor
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<BR>
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to find out in which direction it tries to pull the sensor?
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<BR>
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<P>Gerhard
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<BR>
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<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:%20Problems%20with%20saned/net%20backend&In-Reply-To=<00101617132400.10154@gja>">majordomo@mostang.com</A>
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</PRE>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Mon Oct 16 2000 - 08:03:21 PDT</EM>
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