10 x XL ink cartridges compatible with CHIP & level indicator for Canon replaces: 2x PGI 520 and each 2x CLI 521 (office supplies & stationery)
The cartridges are for Canon MP 520 (uses the same as all MP models) NOT compatible, they are not recognized by the printer. Furthermore, the description "XL" in no way true, the cartridges are much smaller than the "normal" and nowher