Premium N9K04AN (HP 65XL) High Yield Black Inkjet Cartridge fully compatible with the HP Deskjet 3720, 3730, 3755. The use of compatible supplies does not void your printer warranty.
Ninestar Eco-saver N9K04AN (HP 65XL) High Yield Black Inkjet Cartridge fully compatible with the HP Deskjet 3720, 3730, 3755. The use of compatible supplies does not void your printer warranty.