Double printing problem after CUPS update

[Alexander Urban]

> Alexander Urban wrote:
>
> > Hi there,
> >
> > I have a problem after update to CUPS 1.5. (I think the old one was 1.4.7
> > but not sure)
> >
> > Our "workgroup" printer is a KM bizhub c452 (for 250 users, ~220 of them
> > Windows users doing fine, and 20 Macs and 10 Linuxes).
> >
> > With CUPS 1.5, everything is printed twice, I don't know why. On the CUPS
> > versions used earlier, everything was printed once.
> >
> > Problem occurs on more than one machine - all iMacs (about a dozen) and
> > some linux boxes.
> >
> > How can I debug this? I'm new to debugging in printer environment, so
> > step-by-step procedures would be appreciated.
> >
> > Kind regards,
> >
> > Alexander
>
> On one of the boxes where this issue occurs, do the following:
>
> - execute
>   cupsctl --debug-logging
>   (to set logging to debug)
> - print a file
> - after the print is complete, execute
>   cupsctl --no-debub-logging
> - post the portion of the /var/log/cups/error_log which contains the
> messages related to the test job.
>
> Helge

Got it: http://pastebin.com/KR4WnZks

Alex