root@posankka:~# apt install cups Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: cups : Depends: libcupscgi1 (>= 1.4.2) but it is not going to be installed Depends: cups-core-drivers (>= 2.1.3-4) Depends: cups-filters (>= 1.0.24-3~) but it is not going to be installed Recommends: cups-filters (>= 1.0.42) but it is not going to be installed or foomatic-filters (>= 4.0) Recommends: printer-driver-gutenprint but it is not going to be installed Recommends: cups-filters (>= 1.0.36) but it is not going to be installed or ghostscript-cups (>= 9.02~) libcupsimage2 : Depends: libcups2 (= 2.1.3-4ubuntu0.2) but 2.1.3-4 is to be installed libcupsmime1 : Depends: libcups2 (= 2.1.3-4ubuntu0.2) but 2.1.3-4 is to be installed libcupsppdc1 : Depends: libcups2 (= 2.1.3-4ubuntu0.2) but 2.1.3-4 is to be installed printer-driver-foo2zjs : Depends: cups-filters but it is not going to be installed or foomatic-filters E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).