I have the same problem. Printing is double sided no matter what I say, tested in evince and in acroread. error_log with debug on is attached (it's very big, I zipped it). Will attach info with apport shortly.
** Attachment added: "error_log.gz" http://launchpadlibrarian.net/38145552/error_log.gz -- lpr -o sides=one-sided HAS NO EFFECT https://bugs.launchpad.net/bugs/47263 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs