Attributes . HP Officejet Printers:- K550dtn - K550 - K550dtn - K550dtwn - K5400 - K5400dn - K5400dtn - K5400tn - K8600 - K8600dn - L7550 - L7580 - L7650 - L7680 - L7750 - L7480 - L7780 Series . Names