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 5852, Deskjet 5850w, Deskjet 9650, Deskjet 9670, Deskjet 9680, Digital Copier 410, Fax 1240, OfficeJet...