Hi. Finally i found some kind of solution.
In terminal print: sudo gedit /etc/modprobe.d/blacklist.conf And add this: blacklist usblp Restart. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993757 Title: Printer Samsung ML-1640 gone crazy in Ubuntu 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/993757/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs