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<TITLE>sane-devel: Re: HP ScanJet 3300</TITLE>
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<H1>Re: HP ScanJet 3300</H1>
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<STRONG>From:</STRONG> Oliver Neukum (<A HREF="mailto:Oliver.Neukum@lrz.uni-muenchen.de?Subject=Re:%20HP%20ScanJet%203300&In-Reply-To=&lt;00101113210500.00675@ghanima&gt;"><EM>Oliver.Neukum@lrz.uni-muenchen.de</EM></A>)<BR>
<STRONG>Date:</STRONG> Wed Oct 11 2000 - 04:05:55 PDT
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Am Die, 10 Okt 2000 schrieben Sie:
<BR>
<EM>&gt; I have an HP ScanJet 3300 which I would like to get working with SANE. I
</EM><BR>
<EM>&gt; am willing (though very time-constrained) to write a backend for it, but I
</EM><BR>
<EM>&gt; am still in the collecting information phase. Here is what I have found
</EM><BR>
<EM>&gt; out so far...
</EM><BR>
<P>The backend is probably already there.
<BR>
Does anyone know whether it is true that the 3300 uses the
<BR>
same command set as the 5300 ?
<BR>
If it is true, a backend exists.
<BR>
<P><EM>&gt;
</EM><BR>
<EM>&gt; 1) HP has not been forthcoming with the technical documents, so it looks
</EM><BR>
<EM>&gt; like a reverse-engineering job.
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; 2) The scanner has 4 main chips on it.
</EM><BR>
<EM>&gt; a) is 256k buffer.
</EM><BR>
<EM>&gt; b) appears to be the main scanner control chip.
</EM><BR>
<EM>&gt; c) is an 8bit A/D.
</EM><BR>
<EM>&gt; d) appears to be the USB interface controller.
</EM><BR>
<EM>&gt; a) EliteMT -25j
</EM><BR>
<EM>&gt; 9912s
</EM><BR>
<EM>&gt; M11B416256A
</EM><BR>
<EM>&gt; b) NIASH00014
</EM><BR>
<EM>&gt; F7UJ0-000
</EM><BR>
<EM>&gt; 9939
</EM><BR>
<EM>&gt; c) NIPEDC0804
</EM><BR>
<EM>&gt; d) ESIC
</EM><BR>
<EM>&gt; ES8100QA
</EM><BR>
<EM>&gt; F3A329935
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; 3) I have run USBsniff on the scanner under windows, but I don't know
</EM><BR>
<EM>&gt; enough about the output to do much diagnosis on it yet. I'll look at it
</EM><BR>
<EM>&gt; more later.
</EM><BR>
<P>Please send me the trace and the scanner device descriptor.
<BR>
<P><EM>&gt;
</EM><BR>
<EM>&gt; If anyone has some more information for me I would appreciate it. Thanks.
</EM><BR>
<P>It has become possible on Saturday to use a 5300 under Linux.
<BR>
An existing backend could be used once the kernel driver worked.
<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
<BR>
<P><PRE>
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