Thank you, Till. That worked for me! Specifically, after installing the hpijs package, I immediately opened a txt file using gedit and was able to select duplex mode. No other changes were necessary.
-- Problems with hpcups driver: Setting duplex too complicated, miscellaneous regressions https://bugs.launchpad.net/bugs/428588 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs