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From: Robert Bonomi <bonomi@mail.r-bonomi.com>
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To: freebsd-questions@freebsd.org, mueller23@insightbb.com
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Cc: 
Subject: Re: HP networked printer -- hp-setup won't use, hp-probe finds
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> From: "Thomas Mueller" <mueller23@insightbb.com>
>
> Polytropon, you mention ppd files (.ppd or .ppd.gz).
>
> Is this the binary plugin that hplip was unable to install for me?

No.  '.ppd' files are '<p>ostscript <p>rinter <d>escription' files.
They ontain 'device dependant information about a specific make/model
of Postscript-capable printer.

They consist of 'feature' names, 'values' for that feature, and the
postscript code fragment that tells that printer how to use a particular 
'value' for that particular feature.  e.g. one can select the input
paper tray by 'name' -- e.g. 'upper', 'lower', etc. -- without having
to know whether trays are numbered starting at zero or one, or whether
the numbering goes 'up' or 'down'.

'.ppd' files are relevent _only_ if you are producing postscript output,