This high yield black ink provides up to 2.2x more prints than the standard equivalent. The pigment black ink is used for printing documents and ensures crisp, sharp text with great longevity. The 15ml black ink cartridge allows you to print up to 400 pages of A4 documents at ISO/IEC 24711 standard. Genuine Canon ink is designed to work in perfect harmony with your Canon printer to ensure consistent high quality, reliable performance and excellent value with every print. Genuine Canon Ink produces on average 35% more high-quality prints than imitation cartridges. You won't have to replace your ink cartridges as often and can enjoy excellent value for money. Genuine Canon Ink is 100% reliable so you can print with less stress. Your ink cartridges won't break, leak or fail and will ensure your printer is protected from internal damage. Genuine Canon Ink provides consistent quality prints 100% of the time. Your prints will be crystal clear with deep colours and no strange lines or streaks