This is the Canon CLI-551 black ink cartridge and it is intended to be used in photographic printing. For this reason it is compatible with some of the incredibly popular Canon PIXMA range and it is recommended that it is used with Canon branded photo paper to ensure the maximum possible quality. When used together this ink cartridge and Canon’s photo paper for the ChromaLife100+ system that is designed with reducing fade and preserving quality in mind. This black ink tank contains 7 ml of ink that can produce up to 495 10x15cm colour photos.