Sorry for the noise, it appears that the original fix to CUPS is in need of a second patch according to this comment on 2013-07-18:
https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1020048/comments/37 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1020048 Title: after certain time printing to cups stops working To manage notifications about this bug go to: https://bugs.launchpad.net/df-libreoffice/+bug/1020048/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
