Compatible HP 56 (Black) ink cartridge (C6656A) For use with: Deskjet 450; Deskjet 450cbi; Deskjet 450ci; Deskjet 450wbt; Deskjet 5150; Deskjet 5150w; Deskjet 5550; Deskjet 5650; Deskjet 5650; Deskjet 5850; Deskjet 5850w; Deskjet 9650; Deskjet 9670; Deskjet 9680; Digital Copier 410; Fax...