I had the same issues. Disabled AA and reinstalled the HP software via hplip-3.15.6.run. Tried all the tricks and still had;
Jul 3 10:01:22 james-laptop python: io/hpmud/musb.c 152: unable get_string_descriptor -7: Resource temporarily unavailable Jul 3 10:01:22 james-laptop python: io/hpmud/musb.c 2089: invalid serial id string ret=-7 Jul 3 10:01:27 james-laptop python: io/hpmud/musb.c 152: unable get_string_descriptor -7: Resource temporarily unavailable Jul 3 10:01:27 james-laptop python: io/hpmud/musb.c 2094: invalid manufacturer string ret=-7 Jul 3 10:01:27 james-laptop hp-setup: hp-setup[5208]: error: No devices found on bus: usb The last step that finally got a test page to print was to reinstall a previous version of hplip. Namely hplip-3.15.4.run -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1296085 Title: HP LaserJet 1020 io/hpmud/musb.c 150: unable get_string_descriptor -7: Resource temporarily unavailable To manage notifications about this bug go to: https://bugs.launchpad.net/hplip/+bug/1296085/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
