My HP ink cartridge does not print. You can follow the instructions to refill your HP printer inkjet cartridge if the cartridge does not print: First, Be sure that you have put the ink into the bottom of the sponge inside the cartridge. or else it will not print. Second, always follow the directions of the HP printer manual. Also you can clean a clogged printer by applying hot water on the printhead then dry the cartridge with a soft tissue.