HP Black Ink Cartridge (No.96) (21ml) for DeskJet 5740 / DeskJet 6540 / DeskJet 6840 / DeskJet 9800 / OfficeJet 7410 / OfficeJet K7100 PhotoSmart 2610 / PhotoSmart 2710 / PhotoSmart 8150 / PhotoSmart 8450 / PhotoSmart 7210 / PhotoSmart PhotoSmart 8750 / PhotoSmart 8030