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<TITLE>sane-devel: weird speed difference with parallel port scanner</TITLE>
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<META NAME="Author" CONTENT="mh (moloch@nikocity.de)">
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<H1>weird speed difference with parallel port scanner</H1>
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<STRONG>From:</STRONG> mh (<A HREF="mailto:moloch@nikocity.de?Subject=Re:%20weird%20speed%20difference%20with%20parallel%20port%20scanner&In-Reply-To=<00081022210100.00364@slowcrap>"><EM>moloch@nikocity.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Thu Aug 10 2000 - 13:08:13 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0090.html">Riku Turkia: "Re: Microtek Phantom with ppSCSI"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0088.html">Jens Petersohn: "Re: HP backend problem..."</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0092.html">mh: "Re: weird speed difference with parallel port scanner"</A>
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Hi again,
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<BR>
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I just discovered another problem.
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<BR>
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Again I thought that it might be a bug in my frontend,
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<BR>
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but the other frontends show the same behavior.
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<BR>
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I'm using Sane1.0.2 with the plustek backend 0.36-18 and
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<BR>
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a Opticpro 600P scanner on SuSE Linux 6.4.
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<BR>
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The parallel port mode is set to EPP (in the BIOS).
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<BR>
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<P>I tried to scan with a printer (HP DeskJet 500 C) connected
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<BR>
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to the scanner. Everything seems to work fine, preview scanning
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<BR>
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with 50 dpi is pretty fast.
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<BR>
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<P>Now I removed the printer, only the scanner is connected to the
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<BR>
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parallel port.
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<BR>
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The result seems rather weird: scanning with the same settings now is
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<BR>
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about three times slower :-(
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<BR>
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<P>I have no idea how to solve this. Might this be a problem with the
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<BR>
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backend, or maybe with the hardware?
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<BR>
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Can anyone tell me how I can figure this out?
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<BR>
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<P>Thanks a lot
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<BR>
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Michael
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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:%20weird%20speed%20difference%20with%20parallel%20port%20scanner&In-Reply-To=<00081022210100.00364@slowcrap>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0090.html">Riku Turkia: "Re: Microtek Phantom with ppSCSI"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0088.html">Jens Petersohn: "Re: HP backend problem..."</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0092.html">mh: "Re: weird speed difference with parallel port scanner"</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>Thu Aug 10 2000 - 13:28:34 PDT</EM>
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