Canon 521 Black Ink Cartridge [CLI-521BK] Highlights # ChromaLife100+ system # Turn your memories into stunning, long-lasting photos with genuine Canon ink # Best when used with Canon photo paper This 9ml Black ink is used for printing photos. Combined with Canon photo paper it protects your photos from fading with ChromaLife100+ system. Benefits # Genuine Canon Ink produces on average 35% more quality prints than imitation cartridges # Genuine Canon Ink provides consistent quality prints 100% of the time # Genuine Canon Ink is 100% reliable so you can print with less stress # Return every toner ink and toner cartridge to be reused or recycled. It’s free, easy and environmentally friendly. Compatibility # PIXMA MP980 # PIXMA MP640 # PIXMA MP630 # PIXMA MP620B # PIXMA MP620 # PIXMA MP560 # PIXMA MP550 # PIXMA MP540x # PIXMA MP540 # PIXMA iP4700 # PIXMA iP4600 # PIXMA MX860 # PIXMA MP990 # PIXMA iP3600 # PIXMA iP4600x # PIXMA MX870