[cups.general] How do PPD options relate to IPP Printer/Job attributes?

[Rijk Ravestein]

Hello Michael,

Mac OS X Leopard automagically selects the ipp scheme when adding an "IPP
printer". You just fill in the host or IP address and the name of the
queue, and Max OS composes the ipp://host/queue url. There is no way to
force the http scheme to an IPP printer connection. Sorry about my mention
of the http scheme, this is incorrect and actually was ipp:// in the Mac OS
case.
-- 
Best regards,
Rijk Ravestein

2012/6/5 <cups-request at easysw.com>

> On Jun 4, 2012, at 3:42 PM, Rijk Ravestein wrote:
> > ...
> > However, when printing IPP from Mac OS X Leopard (or from any other
> GNU/Linux CUPS based IPP client), with the MYDRIVER.PPD to
> http://myubuntu:631/printers/MyPrinter options are correctly shown in the
> Printing Dialog but NOT passed to the mybackend.
>
> Probably the processing is happening on the client; do *not* use "http"
> for IPP printing. Always use "ipp" unless you are talking to Windows (which
> currently only supports the original experimental IPP/1.0 that didn't
> include the "ipp" URI scheme...)
>
> _________________________________________________________
> Michael Sweet, Senior Printing System Engineer, PWG Chair
>
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