Canon\'s FINE cartridge system gives you maximum convenience. Inks and print head are combined in a single handy unit, which can be easily replaced in seconds. The FINE cartridge system also gives you fast printing speeds, for when every second counts! Black XL FINE Cartridge This high yield black ink provides up to 3.3x more prints than the standard equivalent. The pigment black ink is used for printing documents and ensures crisp, sharp text with great longevity. The 21ml black ink cartridge allows you to print up to 600 pages of A4 documents.