HP 56 Black Ink Cartridge, 450 pages, for HP DeskJet 450, 5652, 5150, 5850, 7150, Officejet 6110

The HP No. 56 Black Inkjet Print Cartridge features pigmented black ink formulated to deliver crisp, laser-quality text. Other key features include the latest printhead design, a tiny ink drop size and an extremely efficient ink delivery system.