SpeedyInks 4PK Remanufactured Replacement for HP11 C4844A Black C4836A Cyan C4837A Magenta C4838A Yellow Ink Cartridges For use in Hewlett Packard: Business Inkjet 1000, 1100, 1100d, 1100dtn, 1200d, 1200dn, 1200dtn, 1200dtwn, 2200, 2200se, 2200xi, 2230, 2250, 2250tn, 2280, 2280tn, 2300, 2300dtn, 2300n, 2600, 2600dn, 2800, 2800dt, 2800dtn Color Inkjet CP1700, CP1700d, CP1700ps, 1700, 1700d, 1700ps, & DesignJet 10PS, 20PS, 50PS, 70, 100, 100plus, 100ps, 110, 110plus, 110plus nr, 110plus r, 111, 120, 120nr, OfficeJet 9110, OfficeJet 9120, OfficeJet 9130, OfficeJet Pro OfficeJet Pro K850, OfficeJet Pro K850dn Set includes: C4836an Cyan, C4837an Magenta, C4838an Yellow & C4844an Black Shelf Life: 12-18 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty