The genuine black Canon PGI-525PGBK ink cartridge is officially designed by Canon for your inkjet printer. Containing high quality pigment ink, this original Canon PGI-525PGBK printer cartridge is also known as the Canon PGI-525BK ink cartridge or Canon part 4529B001AA. Ideal for printing professional quality text documents, this black Canon PGI525PGBK ink produces crisp, clear fonts with fine lines. The black Canon PGI-525BK cartridge features a single ink tank design in order to maximise ink efficiency and minimise ink wastage. With an estimated capacity of 341 pages, this black Canon PGI-525 ink cartridge brings you superb print quality over a long working life.