Re: Cups automatic duplex printing problems

Zdenek Dohnal <[email protected]> Wed, 24 Jan 2024 10:18:48 +0100
Newsgroups dev.linux.lists.printing-users
Message-ID <[email protected]>
Mike,

On 1/23/24 14:00, Michael Sweet wrote:
> So the "sides=one-sided" (IPP option) specifies a single-sided print while "Duplex=DuplexNoTumble" (PPD option) specifies a two-sided long edge print.
>
> CUPS itself will give priority to the PPD option but I'm not sure what the backend will do with it (and I'm not familiar with the 'implicitclass' backend, it isn't a standard part of CUPS.

AFAIK implicitclass runs IPP backend - so we have to add another PPD <-> 
IPP "make sure the value is similar/same to prevent unexpected" code.

Valentijn, it would be great if you reported to the application you used 
the fact that it would be great if they sent IPP attribute as option 
instead of PPD option.


Zdenek

>
> ________________________
> Michael Sweet
>
>
-- 
Zdenek Dohnal
Senior Software Engineer
Red Hat, BRQ-TPBC