HP 11 Printhead is designed for use with Hewlett-Packard Officejet Printers K850, K850dn, 9110, 9120, 9130; Business Inkjet Printers 1000, 1100d, 1100dtn, 1200d, 1200dn, 1200dtn, 1200dtwn, cp1700, cp1700d, cp1700ps, 2200, 2200se, 2200xi, 2230, 2250, 2250tn, 2280, 2280tn, 2300, 2300n, 2300dtn, 2600, 2600dn, 2800, 2800dt, 2800dtn; Designjet Printers 70, 100, 100plus, 110, 110plus, 110plus nr, 110plus r, 111, 500, 510, 800, 800ps 815mfp and 820. The printhead is designed to deliver exceptional speed and print quality using ultra-small, ink-drop technology. The printhead contains a smart chip that optimizes print quality and monitors printhead health. Printhead is easy to maintain; simply replace worn printheads for uninterrupted clear, sharp output.