Premium 51629A (HP 29) Black Inkjet Cartridge fully compatible with the HP DeskJet 600, 660, 670, 672, 680c, 682c, 690c, 692c, 693c, 694c, 695c, 695cci, 697c, DeskWriter 600, 660, 672, 680, 682, 690c, 693, 694, Fax 910, 920, OfficeJet 380, 50 Also fits NCR, Digital Check, Apple, Pitney Bowes, and Sony. The use of compatible supplies does not void your printer warranty.