Multipack HP 305 (6ZD17AE) Black/Tri-colour Original Ink Cartridges for HP DeskJet 2710, HP DeskJet 2720 ,HP DeskJet 2721, HP DeskJet 2722, HP DeskJet 2723, HP DeskJet 2724, HP DeskJet Plus 4110,HP DeskJet Plus 4120