The following packages have unmet dependencies.
 cups : Depends: libcups2 (= 2.1.3-4) but 2.1.3-4ubuntu0.2 is to be installed
        Depends: libcupscgi1 (>= 1.4.2) but it is not going to be installed
        Depends: libcupsmime1 (>= 1.4.0) but it is not going to be installed
        Depends: libcupsppdc1 (>= 1.4.0) but it is not going to be installed
        Depends: cups-core-drivers (>= 2.1.3-4)
        Depends: cups-daemon (>= 2.1.3-4)
        Depends: cups-ppdc
        Recommends: printer-driver-gutenprint but it is not going to be installed
E: Unable to correct problems, you have held broken packages.