Genuine HP-formulated dye-based inks for brightest possible colors. Individually replaceable color ink cartridges maximize ink efficiency. Works as a modular system with the HP 10 Black Ink Cartridge and HP 11 Printheads. Specially designed to work with HP inkjet specialty papers, transparencies and everyday papers. HP Business Inkjet and Officejet Pro Printers 1000, 1100d, 1100dtn, 1200d, 1200dn, 1200dtn, 1200dtwn, cp1700, cp1700d, cp1700ps, 2200xi, 2230, 2280, 2280tn, 2250, 2250tn, 2300, 2300n, 2300dtn, 2600, 2600dn, 2800, 2800dt, 2800dtn, K850, K850dn HP Designjet