Could you please do this tests: dpkg -l | grep hplip-base
if this results with rc hplip-base please do: sudo dpkg --purge hplip-base sudo apt-get --reinstall install hplip sudo /etc/init.d/cupsys restart And then try printing again. Thank you. -- HP Photosmart 8450 no longer works after upgrading to Dapper https://launchpad.net/bugs/49415 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs