Different jobs duplexed together

[Helge Blischke]

Harrison T Smith wrote:

> I'm not sure if this is a cups problem or something else entirely, but I
> print with CUPS on my Debian laptop to a Samsung ML-2550 laser printer
> shared by a Windows XP computer with Windows' built-in UNIX printer
> sharing. When I queue several jobs, all of which I have set to print
> duplex, if the first job is an odd number of pages, the second job will
> begin on the back of the last page of the first job! I don't want this,
> because these different jobs are different documents that need to go
> different places.
> 
> Any advice will be greatly appreciated. I can post more details or conf
> files if needed.

Try to insert

*cupsEvenDuplex: true

into the printer's PPD (provided your CUPS version is 1.3.x at least). 
This forces CUPS do emit an even number of pages when printing 
duplex.

Helge