I can confirm this, on network printers obtained via network printers browsing in gnome-printer, and also wonder why other gnome applications like gedit correctly record the fact that double-sided printing has been enabled in printer configuration. The two printing dialogs look different, are there two different printing engines in gnome? If so, the one that gedit uses has not this bug, while the one that evince uses has it.
-- Duplex printing permanently disabled in edgy https://launchpad.net/bugs/70576 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs