Canon CLI581XXLBK Black Extra High Capacity Ink Cartridge 12ml - 1998C001 This very high yield 11.7ml black ink is used for printing high quality documents and photos. It has an extra large tank capacity meaning better value and up to 3.2x the amount of printing compared to the standard equivalent. Combined with Canonís photo paper it protects your images from fading using the ChromaLife100 system.