[cups.development] PPD or backend?

Michael Sweet msweet at apple.com
Wed Oct 13 14:38:28 PDT 2010


On Oct 13, 2010, at 2:23 PM, Erik de Castro Lopo wrote:
> ...
> So, my question is, can a printer that only requires a PPD file
> give me feedback like presence, paper status etc or do I need
> to write a CUPS backend driver to get those features.

So the short answer is that it can.

However, on Linux the current USB backend does not provide back-channel data, and so the information that can be collected is very limited.  Doing your own backend may be the only way to serve up the status information you want...

________________________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair








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