Compatible Black canon Toner Cartridge 1491A002AA (4,000 Page Yield) for Canon PC 921, Canon PC 940, Canon PC 941, Canon PC 950 1491A002AA (E40) TONER CARTRIDGE (E31/E40) PC710/PC430/PC720/PC941/PC940/PC981/PC730/PC740/PC745/PC770/PC775/PC780/PC790/PC795/PC920/PC980 4,000 PAGE YIELD NEW COMPATIBLE