FeaturesGenuine Canon Ink produces on average 35% more quality prints than imitation cartridges²Genuine Canon Ink is 100% reliable so you can print with less stress²Genuine Canon Ink provides consistent quality prints 100% of the time²Return every ink and toner cartridge to be reused or recycled. It\'s free, easy and environmentally friendlyGrey Ink CartridgeThis Canon CLI-551XL High Yield Ink Cartridge provides up to 2x more prints than the standard equivalent. The ChromaLife100+ system grey ink is used for printing photos. This 11ml ink tank allows you to print up to 275 of 10x15cm colour photos at ISO/IEC 29102¹ standard.