Malcom was right, it was a problem related with cupsd timeout. I fixed it setting "TimeOut 7200" in the /etc/cups/cupsd.conf on the print server.
Regards. Maximiliano. -- 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