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<TITLE>sane-devel: Re: HP 7400c info</TITLE>
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<META NAME="Author" CONTENT="Oliver Neukum (Oliver.Neukum@lrz.uni-muenchen.de)">
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<META NAME="Subject" CONTENT="Re: HP 7400c info">
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<H1>Re: HP 7400c info</H1>
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<!-- received="Tue, 1 May 2001 17:48:28 +0200" -->
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<!-- name="Oliver Neukum" -->
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<STRONG>From:</STRONG> Oliver Neukum (<A HREF="mailto:Oliver.Neukum@lrz.uni-muenchen.de?Subject=Re:%20HP%207400c%20info&In-Reply-To=<01050117482801.01740@idun>"><EM>Oliver.Neukum@lrz.uni-muenchen.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Tue May 01 2001 - 08:48:28 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0007.html">Oliver Neukum: "RFC: Names for kernel drivers"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0005.html">Curious Forestweaver: "Driver Status, Vuego Brisa 640 USB."</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0004.html">EdHamrick@aol.com: "HP 7400c info"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0022.html">Jose Paulo Moitinho de Almeida: "Re: HP 7400c info / Minolta Scan Dual II"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0022.html">Jose Paulo Moitinho de Almeida: "Re: HP 7400c info / Minolta Scan Dual II"</A>
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On Tuesday, 1. May 2001 14:14, <A HREF="mailto:EdHamrick@aol.com?Subject=Re:%20HP%207400c%20info&In-Reply-To=<01050117482801.01740@idun>">EdHamrick@aol.com</A> wrote:
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<BR>
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<EM>> I just got an HP 7400C (2400 dpi flatbed) and traced the commands
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</EM><BR>
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<EM>> that it uses. It appears that the scanner is built by Avision, and that
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</EM><BR>
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<EM>> the commands are almost identical to those used by the HP 5300C
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</EM><BR>
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<EM>> and Minolta Scan Dual.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> The 7400C VID is 0x03f0 and the PID is 0x0801.
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</EM><BR>
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<P>Noted and shall be added.
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<BR>
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Do you know the Scan Dual ids ?
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<BR>
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<P><EM>> The SCSI Inquiry string is in lower case, and is:
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> "hp scanjet 7400c "
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> It uses the same scsi-over-usb encapsulation that the
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</EM><BR>
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<EM>> Minolta Scan Dual and HP 5300C use. It isn't possible
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</EM><BR>
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<EM>> to talk to the scanner using scanner.c, since it needs to
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</EM><BR>
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<EM>> be able to read a bulk endpoint, write a bulk endpoint
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</EM><BR>
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<EM>> and read an interrupt endpoint. It would sure be nice
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</EM><BR>
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<P>You might get it to work with the hp5300 driver in the ac kernels.
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<BR>
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<P><EM>> if someone could finish the kernel scsi->usb driver
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</EM><BR>
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<EM>> for Avision scanners. It would also be nice if this
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</EM><BR>
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<P>I now have an HP 5300 and will start working on it at the coming weekend.
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<BR>
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Are you willing to test patches ?
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<BR>
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<P><EM>> scsi->usb driver worked with SCL HP scanners,
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</EM><BR>
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<EM>> Epson scanners, and Acer scanners. I have all the
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</EM><BR>
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<P>afaik these don't use scsi over usb.
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<BR>
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Thus, no way.
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<BR>
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<P><EM>> technical information needed to do this, and if someone
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</EM><BR>
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<EM>> is willing to finish the driver I'd be happy to give them
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</EM><BR>
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<EM>> the technical information I have on this.
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</EM><BR>
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<P>Yes please send me it.
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<BR>
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<P>From the kernel side at least 3 kernel drivers for USB scanners are there to
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<BR>
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stay and probably a fourth will be added.
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<BR>
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In the kernel there is no way to let those which use SCSI and those that do
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<BR>
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use the same driver.
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<BR>
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<P> Regards
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<BR>
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Oliver
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<BR>
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<P><PRE>
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--
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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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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0007.html">Oliver Neukum: "RFC: Names for kernel drivers"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0005.html">Curious Forestweaver: "Driver Status, Vuego Brisa 640 USB."</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0004.html">EdHamrick@aol.com: "HP 7400c info"</A>
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<!-- nextthread="start" -->
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0022.html">Jose Paulo Moitinho de Almeida: "Re: HP 7400c info / Minolta Scan Dual II"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0022.html">Jose Paulo Moitinho de Almeida: "Re: HP 7400c info / Minolta Scan Dual II"</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>Tue May 01 2001 - 08:41:59 PDT</EM>
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