sane-project-website/old-archive/2000-10/0102.html

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<H1>HP ScanJet 3300</H1>
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<STRONG>From:</STRONG> Jay Higley (<A HREF="mailto:higleyj@xontech.com?Subject=Re:%20HP%20ScanJet%203300&In-Reply-To=&lt;Pine.LNX.4.21.0010101252170.7265-100000@sstbpc13.xontech.com&gt;"><EM>higleyj@xontech.com</EM></A>)<BR>
<STRONG>Date:</STRONG> Tue Oct 10 2000 - 11:02:00 PDT
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I have an HP ScanJet 3300 which I would like to get working with SANE. I
<BR>
am willing (though very time-constrained) to write a backend for it, but I
<BR>
am still in the collecting information phase. Here is what I have found
<BR>
out so far...
<BR>
<P>1) HP has not been forthcoming with the technical documents, so it looks
<BR>
like a reverse-engineering job.
<BR>
<P>2) The scanner has 4 main chips on it.
<BR>
&nbsp;&nbsp;&nbsp;a) is 256k buffer.
<BR>
&nbsp;&nbsp;&nbsp;b) appears to be the main scanner control chip.
<BR>
&nbsp;&nbsp;&nbsp;c) is an 8bit A/D.
<BR>
&nbsp;&nbsp;&nbsp;d) appears to be the USB interface controller.
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a) EliteMT -25j
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9912s
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;M11B416256A
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b) NIASH00014
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;F7UJ0-000
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9939
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c) NIPEDC0804
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d) ESIC
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ES8100QA
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;F3A329935
<BR>
<P>3) I have run USBsniff on the scanner under windows, but I don't know
<BR>
enough about the output to do much diagnosis on it yet. I'll look at it
<BR>
more later.
<BR>
<P>If anyone has some more information for me I would appreciate it. Thanks.
<BR>
<P>-Jay Higley
<BR>
<P><P><P><PRE>
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