Please enable Serbian translation in system-config-printer.
The locale(s) for Serbian are
sr_CS.UTF-8 (default, cyrillic script, available in CVS)
sr_CS.UTF-8@Latn (po files not yet available in CVS, still awaiting to be added
More info on these locales can be found here if needed:
The keyboard for sr_CS is "srp" in XKB. The latin locale sr_CS@Latn uses
The timezone for Serbia and Montenegro is GMT+0100.
Please try 0.6.146-1 when it is available in rawhide.