I have checked your error_log file and it does not show any irregularities, according to it the setting of HP-Officejet-Pro-8600-2 as default printer should have been done correctly. Do you have one or more of the files
~/.lpoptions ~/.cups/lpoptions /etc/cups/lpoptions /root/.lpoptions /root/.cups/lpoptions If you have one or more of these, post the content of each of these files here. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1497613 Title: cannot set default printer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1497613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs