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<TITLE>sane-devel: Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question</TITLE>
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<META NAME="Author" CONTENT="Jonathan Buzzard (jonathan@buzzard.org.uk)">
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<META NAME="Subject" CONTENT="Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question">
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<H1>Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question</H1>
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<!-- received="Mon Jun 4 09:05:42 2001" -->
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<!-- name="Jonathan Buzzard" -->
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<!-- subject="Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question" -->
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<STRONG>From:</STRONG> Jonathan Buzzard (<A HREF="mailto:jonathan@buzzard.org.uk?Subject=Re:%20Fwd:%20Re:%20Hi%20--%20USB%20UMAX%20Astra%202200%20question&In-Reply-To=<E156wcr-0000Co-00@happy.buzzard.org.uk>"><EM>jonathan@buzzard.org.uk</EM></A>)<BR>
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<STRONG>Date:</STRONG> Mon Jun 04 2001 - 08:50:41 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0063.html">Carlitos Monti: "Re: UMAX Vistascan S12"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0061.html">Henning Meier-Geinitz: "Re: Compiling on OS/2"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0059.html">Oliver Rauch: "Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0127.html">Derek Martin: "Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0127.html">Derek Martin: "Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question"</A>
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<A HREF="mailto:oliver.rauch@rauch-domain.de?Subject=Re:%20Fwd:%20Re:%20Hi%20--%20USB%20UMAX%20Astra%202200%20question&In-Reply-To=<E156wcr-0000Co-00@happy.buzzard.org.uk>">oliver.rauch@rauch-domain.de</A> said:
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<BR>
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<EM>> the source of these rumours is me. I do not know if this works. I see
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</EM><BR>
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<EM>> a small chance and it would be interesting if someone would test it.
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</EM><BR>
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<P>I though I was the source of those rummors. At least the comments on my
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<BR>
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web page are just based on the observation that the scanner has both
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<BR>
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USB and SCSI interfaces.
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<BR>
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<P><P><EM>> The reason why I think it could work is the following: USB scanners do
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</EM><BR>
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<EM>> not have a processor, the use a simple ASIC. Because of this they are
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</EM><BR>
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<EM>> not able to use the SCSI protocol wich needs much more "intelligence"
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</EM><BR>
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<EM>> than the ASIC has. The Astra 2200S has a processor and so it is
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</EM><BR>
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<EM>> possible that the SCSI protocol also is used for the USB connection.
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</EM><BR>
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<P>Well my reasoning is that I would be stunned if Umax had done anything other
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<BR>
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than put a SCSI-to-USB converter chip on the scanner board. Anything else
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<BR>
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would be a really dumb thing to do in order to get a USB interface on a
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<BR>
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scanner with a SCSI interface.
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<BR>
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<P><P><EM>> As far as I know nobody every tried this or succeddes with it.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> If you find out anything about that, let me/us know.
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</EM><BR>
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<P>Certainly nobody has ever reported any success or failure to this list or
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<BR>
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myself.
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<BR>
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<P>Getting back to the original post, they say that the scanner driver is
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<BR>
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recognising the scanner and returns a vendor:product id.
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<BR>
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<P>I suspect there is a problem with device files and the umax.conf file.
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<BR>
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Check that /dev/usbscanner0 exists and if not create with
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<BR>
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<P> mknod /dev/usbscanner0 c 180 48
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<BR>
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<P>and then do
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<BR>
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<P> ln -s /dev/usbscanner0 /dev/usbscanner
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<BR>
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<P>make sure you have suitable permissions on /dev/usbscanner so do
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<BR>
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<P> chmod 666 /dev/usbscanner0
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<BR>
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<P>Next make sure that umax.conf points to the right device file. It should be
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<BR>
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/dev/usbscanner. Note that with my HP5200C you need to add the line
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<BR>
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<P> option connect-device
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<BR>
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<P>to the hp.conf file, I have no idea if this will be needed for a UMAX scanner.
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<BR>
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<P>If this does not work, change the umax.conf to point to the device files
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<BR>
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in umax.conf point to the scanner device files in /dev/usb/
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<BR>
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<P>I suspect this scanner will work with USB, just nobody has tried, and if
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<BR>
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they have got it working they have not said anything about it.
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<BR>
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<P>JAB.
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<BR>
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<P><PRE>
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--
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Jonathan A. Buzzard Email: <A HREF="mailto:jonathan@buzzard.org.uk?Subject=Re:%20Fwd:%20Re:%20Hi%20--%20USB%20UMAX%20Astra%202200%20question&In-Reply-To=<E156wcr-0000Co-00@happy.buzzard.org.uk>">jonathan@buzzard.org.uk</A>
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Northumberland, United Kingdom. Tel: +44(0)1661-832195
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<P><P><P>--
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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:%20Fwd:%20Re:%20Hi%20--%20USB%20UMAX%20Astra%202200%20question&In-Reply-To=<E156wcr-0000Co-00@happy.buzzard.org.uk>">majordomo@mostang.com</A>
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</PRE>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0063.html">Carlitos Monti: "Re: UMAX Vistascan S12"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0061.html">Henning Meier-Geinitz: "Re: Compiling on OS/2"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0059.html">Oliver Rauch: "Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question"</A>
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<!-- nextthread="start" -->
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0127.html">Derek Martin: "Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0127.html">Derek Martin: "Re: Fwd: Re: Hi -- USB UMAX Astra 2200 question"</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>Mon Jun 04 2001 - 09:10:02 PDT</EM>
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