Only compatible with elite Canon ImagePROGRAF PRO printers our compatible 0556C001 Chroma Optimizer ink cartridge offers an astounding amount of prints. With an average page coverage of 5%, you can get 680 Chroma Optimizer prints from each of these compatible Canon PFI-1000CO ink cartridges, making them a great deal for inkjet printer users.Filled with at least 80ml of high quality compatible Chroma Optimizer ink, the compatible Canon 0556C001 gives great results. However, due to manufacturing limitations the compatible Canon PFI-1000CO uses a dye based ink that does not have the enhanced features of Lucia Pro ink and is best used on prints that will not be left exposed to the elements.PLEASE NOTE: Canons official estimated page yield has been used for this compatible ink cartridge and is measured in 6x4 photos and NOT A4 pages.