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<TITLE>sane-devel: Re: HP Scanjet 3300 [also Re: HP 3400 scanner infor</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 Scanjet 3300 [also Re: HP 3400 scanner information]">
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<H1>Re: HP Scanjet 3300 [also Re: HP 3400 scanner information]</H1>
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<!-- received="Wed Jan 3 01:20:24 2001" -->
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<!-- name="Oliver Neukum" -->
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<!-- subject="Re: HP Scanjet 3300 [also Re: HP 3400 scanner information]" -->
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<STRONG>From:</STRONG> Oliver Neukum (<A HREF="mailto:Oliver.Neukum@lrz.uni-muenchen.de?Subject=Re:%20HP%20Scanjet%203300%20[also%20Re:%20HP%203400%20scanner%20information]&In-Reply-To=<01010310395601.01905@ghanima>"><EM>Oliver.Neukum@lrz.uni-muenchen.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Wed Jan 03 2001 - 01:29:38 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0021.html">Oliver Rauch: "Re: problem installing sane"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0019.html">Per Jönsson: "Re: don't know how to connect my umax scanner"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0015.html">Adrian Perez Jorge: "Re: HP Scanjet 3300 [also Re: HP 3400 scanner information]"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0038.html">Jay Higley: "Re: HP Scanjet 3300 [also Re: HP 3400 scanner information]"</A>
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<P>
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<EM>> >To me this protocol is absolutly alien.
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</EM><BR>
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<EM>> >It has _no_ connection to the protocol of the 5300.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> That's really a pity. I thought those 8-byte vectors could be a kind
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</EM><BR>
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<EM>> of a ``SCSI scanner'' like command. Anyway, rev-eng is fun (I hope).
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</EM><BR>
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<P><P>You are refering to those:
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<BR>
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<P>------------------------------------------
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<BR>
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The 8-byte vectors I have found in the hp4300 log file are:
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<BR>
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<P>01 01 00 00 60 00 00 00
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<BR>
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^ ^
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<BR>
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| +--- hi-byte (length)
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<BR>
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+------ lo-byte (length)
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<BR>
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<P>00 00 00 00 2a 5d 00 00
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<BR>
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<P><P>This one is from the hp3300 log file:
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<BR>
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<P>01 00 00 00 38 dc 00 00a
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<BR>
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<P>-------------------------------------------
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<BR>
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<P>At first glance no, at the second glance I've changed my mind.
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<BR>
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A scsi command is usually 6 bytes. It may be 10 or 12 bytes, but never 8.
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<BR>
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If it indeed is scsi then it is encapsulated. If you strip of the leading two
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<BR>
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bytes the one in the example might be a scsi INQUIRY command.
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<BR>
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If this is true the example should have resulted in a reply of 0x60 bytes.
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<BR>
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Could you check ?
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<BR>
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<P>In addition you should then find a transfer of type III resulting in 00.
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<BR>
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<P>If this turns out to be the case, I'd suggest that you use usb-storage,
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<BR>
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protocol CB on the scanner. It might just work and save you a lot of trouble.
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<BR>
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<P> HTH
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<BR>
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Oliver
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<BR>
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<P><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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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20HP%20Scanjet%203300%20[also%20Re:%20HP%203400%20scanner%20information]&In-Reply-To=<01010310395601.01905@ghanima>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0021.html">Oliver Rauch: "Re: problem installing sane"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0019.html">Per Jönsson: "Re: don't know how to connect my umax scanner"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0015.html">Adrian Perez Jorge: "Re: HP Scanjet 3300 [also Re: HP 3400 scanner information]"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0038.html">Jay Higley: "Re: HP Scanjet 3300 [also Re: HP 3400 scanner information]"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Wed Jan 03 2001 - 01:22:12 PST</EM>
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