So I close this bug report. If you are really tught on system disk space and want to get rid of some packages which are dependencies of kubuntu-desktop, use the "--force- depends" option of dpkg.
** Changed in: hplip (Ubuntu) Importance: Undecided => Low -- kubuntu-desktop wants to be removed in when hplip is removed https://launchpad.net/bugs/66853 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
