[cups] Acquire paper and tray info

[Paul Mitchell]

On Thu, 22 Jan 2015, Helge Blischke wrote:

> I just installed this type of printer (as a fake printer using a preview backend) on Mac OS X (10.5.8) and discovered two things:
> (1) the Duplex attribute is *not* set by PJL commands but by  PostScript code:
> [{
> %%BeginFeature: *KODuplerx False
> SHKMFeatures /SHKMDuplex false put
> %%EndFeatire
> } stopped cleartomark
> (2) Duplex or not seems only to be selectable by setting the printer defaults (at least
> when using CUPS as the spooler); setting this by job attributes is completely ignored.
>
> I guess this issue is due to the fact that duplexing by PS code is specified by a name
> proprietary to Konica Minolta – KODuplex in this case, which, I guess, is not known
> by the Windows driver as well.

Hello Helge,
  This would explain a great deal (since the machine was processing my 
request for @PJL SET USERMEDIANAME="DV02" but ignoring @PJL SET 
DUPLEX=OFF!

Thanks,

Paul

==============================================================================
         Paul Mitchell
 	ITS Systems
         email: pmitchel at email.unc.edu
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