Here the output of strace -v -s 128 -F attaching to the cupsd process and then reproducing the print failure (I'd let the system autodetect the printer first, before starting the strace).
** Attachment added: "cupsd-print-bad.strace" http://launchpadlibrarian.net/24770301/cupsd-print-bad.strace -- Printer (HWModel Name) May Not Be Connected https://bugs.launchpad.net/bugs/348316 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
