sane-project-website/old-archive/2000-04/0239.html

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<H1>Re: how does a scanner work?</H1>
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<STRONG>From:</STRONG> Levente NOVAK (<A HREF="mailto:novak@jaguar.dote.hu?Subject=Re:%20how%20does%20a%20scanner%20work?&In-Reply-To=&lt;Pine.GSO.4.10.10004251236060.22672-100000@jaguar&gt;"><EM>novak@jaguar.dote.hu</EM></A>)<BR>
<STRONG>Date:</STRONG> Tue Apr 25 2000 - 03:44:33 PDT
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On Mon, 24 Apr 2000, [iso-8859-1] nicolas herry wrote:
<BR>
<P><EM>&gt; Date: Mon, 24 Apr 2000 17:59:14 +0100 (BST)
</EM><BR>
<EM>&gt; From: &quot;[iso-8859-1] nicolas herry&quot; &lt;<A HREF="mailto:nicolasherry@yahoo.co.uk?Subject=Re:%20how%20does%20a%20scanner%20work?&In-Reply-To=&lt;Pine.GSO.4.10.10004251236060.22672-100000@jaguar&gt;">nicolasherry@yahoo.co.uk</A>&gt;
</EM><BR>
<EM>&gt; Reply-To: <A HREF="mailto:sane-devel@mostang.com?Subject=Re:%20how%20does%20a%20scanner%20work?&In-Reply-To=&lt;Pine.GSO.4.10.10004251236060.22672-100000@jaguar&gt;">sane-devel@mostang.com</A>
</EM><BR>
<EM>&gt; To: <A HREF="mailto:sane-devel@mostang.com?Subject=Re:%20how%20does%20a%20scanner%20work?&In-Reply-To=&lt;Pine.GSO.4.10.10004251236060.22672-100000@jaguar&gt;">sane-devel@mostang.com</A>
</EM><BR>
<EM>&gt; Subject: how does a scanner work?
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; Hello!
</EM><BR>
<EM>&gt; As I plan to write a driver for a Microtek Phantom
</EM><BR>
<EM>&gt; 330CX (// Port), I'm looking for some info about the
</EM><BR>
<EM>&gt; way a scanner work :
</EM><BR>
<EM>&gt; what sequences is expected, how data is transferred,
</EM><BR>
<EM>&gt; and so on.
</EM><BR>
<EM>&gt; Is there any standard protocol?
</EM><BR>
<EM>&gt; Thanks in advance!
</EM><BR>
<EM>&gt;
</EM><BR>
<P>I cannot really help you, but it may be useful to know that there exists a
<BR>
backend in SANE supporting Microtek scanners (to be more precise, there
<BR>
are even two of them, one for SCSI 1 and another for SCSI 2 protocol
<BR>
scanners). Normally, the microtek2 backend should drive the Phantom 336CX
<BR>
as well as similar models, but as I know, there is however a problem with
<BR>
the scanhead hitting the bottom of the frame for Phantom 336CX.
<BR>
Unfortunately, Bernd Schroeder who is (or has been) the maintainer of
<BR>
this backend seems to have disappeared. It may be easier for you to take a
<BR>
look at microtek2.c and microtek2.h in the SANE distrib, or you can try to
<BR>
reach Bernd. Maybe you can take over the microtek2 backend if he does not
<BR>
have enough time to work on.
<BR>
<P>Levente
<BR>
<P><P><PRE>
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