kprinter doesn't work together with CUPS

[Markus Kitzler]

> Your current KDEPrint settings show that you're using the lpdunix
> print plugin. In the print dialog, change this to CUPS (you may need
> to extend the print dialog to see this selection combo, use the
> dialog's bottom-left button).

Changed it to CUPS but no success. Still not able to print. Job does not 
appear under "jobs" in http://localhost:631/admin and is not printed either.