Getting professional output is easy when you use the orginal Canon PGI-550PGBK black ink. The black Canon PGI-550PGBK pigment ink cartridge offers dark texts and sharp greyscale images. FINE cartridge technology combines the printhead and the ink tank of the Canon PGI-550PGBK cartridge into one supply for faster output speeds and more convenient cartirdge replacement.This genuine Canon PGI-550BK black FINE ink cartridge delivers superb mono print quality when you use an original ink cartridge, like the black Canon PGI-550PGBK ink, you protect your printer from clogging and damage.. 375 pages@ 5% average coverage . Please note that this item is delivered direct from our supplier and may take a little longer to arrive.