sudo aptitude install hplip
The following NEW packages will be installed:
  hplip{b} hplip-data{a} libsane-hpaio{a} printer-driver-hpcups{a} printer-driver-postscript-hp{a} python-pexpect{a} sane-utils{a} 
0 packages upgraded, 7 newly installed, 0 to remove and 0 not upgraded.
Need to get 7,723 kB of archives. After unpacking 15.1 MB will be used.
The following packages have unmet dependencies:
 hplip : Depends: python-dbus (>= 0.80) which is a virtual package.
         Depends: python-imaging which is a virtual package.
         Depends: python-reportlab which is a virtual package.
         Depends: python-gobject-2 which is a virtual package.
The following actions will resolve these dependencies:

     Keep the following packages at their current version: 
1)     hplip [Not Installed]                               
2)     printer-driver-postscript-hp [Not Installed]        

     Leave the following dependencies unresolved:          
3)     libsane-hpaio recommends hplip (= 3.14.3-0ubuntu3.2)


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