This is a tracking bug for Change: CUPS Journal Logging
For more details, see: http://fedoraproject.org//wiki/Changes/CupsJournalLogging
By default, CUPS will send log output to the system journal rather than /var/log/cups/error_log.
Changed in cups-1.7.1-11.fc21.
The change has been documented in the Release Notes; a preview is available at https://fedoraproject.org/wiki/Documentation_Printing_Beat?rd=Docs/Beats/Printing
If you would like to make any changes to the note, please either e-mail relnotes, or contact the #fedora-docs channel on FreeNode. Editing the wiki at this point does not guarantee that the changes will make it to the final document.