The Canon CLI-581 XL Black is an original pigment ink cartridge designed for compatible PIXMA printers. With 8.3 ml of ink and a stated yield of 520 pages, it is aimed at users who print regularly and wish to limit cartridge changes. Pigment ink provides a dense, crisp black, particularly suited for text documents where readability is important. Single cartridge, part number CLI-581bk XL — a direct solution to maintain output without compromising print quality.