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<TITLE>sane-devel: Re: Fujitsu fi-4750C Backend Project</TITLE>
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<H1>Re: Fujitsu fi-4750C Backend Project</H1>
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<STRONG>From:</STRONG> Frederik Ramm (<A HREF="mailto:frederik@remote.org?Subject=Re:%20Fujitsu%20fi-4750C%20Backend%20Project&In-Reply-To=&lt;20010227180244.A10137@aruba.remote.org&gt;"><EM>frederik@remote.org</EM></A>)<BR>
<STRONG>Date:</STRONG> Tue Feb 27 2001 - 10:02:44 PST
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Hi Tom,
<BR>
<P><EM>&gt; In case there is any interest... I have begun writing a backend for the
</EM><BR>
<EM>&gt; Fujitsu fi-4750C scanner. (As this is a low-volume duplex &quot;production&quot; color
</EM><BR>
<EM>&gt; scanner, I doubt there will be much interest.)
</EM><BR>
<P>Seems you're in a similar position to me. What do you think you'll do
<BR>
about the duplex thing? The suggestion to buffer one full page might
<BR>
be viable... although it's a shame, the Windows software that came
<BR>
with the scanner supported duplex out-of-the-box.
<BR>
<P><EM>&gt; Which brings up a general question... Since most of the Fujitsu scanners
</EM><BR>
<EM>&gt; that I have been exposed to in the past have very similar SCSI command sets,
</EM><BR>
<EM>&gt; shouldn't we try to merge the functionality of the &quot;sp15c&quot;, m3096g&quot;, &quot;m3091&quot;
</EM><BR>
<EM>&gt; (re: post by Frederik Ramm), and whatever I produce for the &quot;fi-4750C&quot;.
</EM><BR>
<P>I'd love to. But how do we handle things like different allowable
<BR>
resolutions, different maximum page sizes, and so on. It wouldn't be a
<BR>
problem to produce one source code file that, using &quot;#ifdef&quot;s, can
<BR>
produce three or four different drivers, but what options would we
<BR>
have if we were to try producing one single driver. An extra
<BR>
parameter, &quot;--model&quot;, maybe - but how would we communicate to the SANE
<BR>
front-ends that certain settings e.g. of the &quot;resolution&quot; parameter
<BR>
are only available if the &quot;model&quot; parameter has been set to something
<BR>
specific? I doubt the current mechanism supports that.
<BR>
<P><EM>&gt; With that in mind, I will 'try' to make my enhancements to a
</EM><BR>
<EM>&gt; &quot;m3096g&quot; base keeping the original functionality unaffected.
</EM><BR>
<P>I won't bother since it's all a &quot;draft&quot; anyway. The main work will be
<BR>
figuring out *how* it works, and once I've got that, I'll be willing
<BR>
and able to build m3091 support into any clean, combined driver. I
<BR>
hope .-)
<BR>
<P>Bye
<BR>
Frederik
<BR>
<P><PRE>
--
Frederik Ramm ## eMail <A HREF="mailto:frederik@remote.org?Subject=Re:%20Fujitsu%20fi-4750C%20Backend%20Project&In-Reply-To=&lt;20010227180244.A10137@aruba.remote.org&gt;">frederik@remote.org</A> ## N57<35>48.10' W005<30>40.32'
<P><P>--
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