Extra-large Ink tank is designed for use with Canon Pixma iP8720, iX6820, MG6320 and MG7120. True grayscale images in a desktop printer. In addition to that, the gray ink actually stabilizes colors so your color prints look even more amazing. High capacity means more ink for more prints. Print only with genuine Canon ink and photo paper to achieve optimum results through the ChromaLife100 Plus System that delivers stunning results and longevity.