Your cups error_log has no info in it, please provide a cups error log as described here: Also have a look at https://wiki.ubuntu.com/DebuggingPrintingProblems#USB_-.3E_Parallel_adapter and provide the info from https://wiki.ubuntu.com/DebuggingPrintingProblems#USB_printer Ubuntu 13.04 is no longer supported so please upgrade to 14.04.1 LTS or higher. You can test without installing by using the ubuntu-desktop live-cd.
** Changed in: cups (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1181423 Title: Cannot print at all with USB to parallel adapter and HP 4L To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1181423/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs