Awwww, how cute. You should find out where they live and make them all wear little white-collared button-downs. Then, when they spread disease into your workplace, you can all take a sick day! Win-win!
This might not work so well with printers, but what about replicators from Star Trek? Roddenberry probably had a script lined up where the Enterprise tracked down some replicator-replicating smugglers.