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List:       gimp-print-devel
Subject:    Re: [Gimp-print-devel] Shinko CHC9045
From:       Michael R Sweet <msweet () apple ! com>
Date:       2009-03-05 16:41:16
Message-ID: 49B000AC.1030202 () apple ! com
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Michael Mraka wrote:
> ...
> % Does gimp-print (Or CUPS) support this kind of full-duplex communication ?
> 
> No, the usb backend (cups) is unidirectional.

Incorrect.  The USB backend is bidirectional on Linux for most
printers, we just disable bidi for some vendors that are known to
have bad USB implementations.

The key limitation here is that Gutenprint has no way to provide
a bidirectional interface at this time.

-- 
______________________________________________________________________
Michael R Sweet                        Senior Printing System Engineer

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