From Fedora Project Wiki
Printing
In this release, system-config-printer uses PolicyKit to control access to restricted cups functionality. The following functions are controlled via PolicyKit policies currently:
- add/remove/edit local printers
- add/remove/edit remote printers
- add/remove/edit classes
- enable/disable printer
- set printer as default printer
- get/set server settings
- restart/cancel/edit a job owned by another user
- restart/cancel/edit a job