?Compatibility:?: pf-10 Printhead Fit for PRO-520/ PRO-540/ PRO-541/ PRO-560/ PRO-561/ PRO-1000/ PRO-2000/ PRO-2100/ PRO-4000/ PRO-4100/ PRO-6000/ PRO-6100 Printer Head Replacement ?Print Includes? - PF-10 Printhead ?Quality Features? Brand new product Protect machine Quality accessories Print clear Many prints No jams Firmly fixed Durable and wear-resistant