I'm using the same adapter as yourself: Bus 004 Device 004: ID 067b:2305 Prolific Technology, Inc. PL2305 Parallel Port
attachments are the error_logs. with blacklisting and uni-directional mode: transaction timeout (attachment on this post - job 3) with blacklisting bi-directional mode: transaction timeout (attachment below - job 4) without blacklisting: not recognised: "Printer State" reports "Stopped - Unplugged or turned off"; usb_printerid /dev/usb/lp0 says: $ sudo usb_printerid /dev/usb/lp0 GET_DEVICE_ID string: MFG:Samsung;CMD:GDI;MDL:ML-4500;CLS:PRINTER;MODE:GDI;STATUS:IDLE; ** Attachment added: "cups-error_log.blacklisted-unidir" https://bugs.launchpad.net/ubuntu/+source/cups/+bug/987485/+attachment/3206219/+files/cups-error_log.blacklisted-unidir -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/987485 Title: Can only print once with USB to parallel adapter and HP 4L To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/987485/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
