EcoPlus CF289X (HP 89X) High Yield Black Toner Cartridge (10000 Yield)

EcoPlus Remanufactured CF289X (HP 89X) High Yield Black Toner Cartridge fully compatible with the HP LaserJet Enterprise M507, MFP M528; LaserJet Enterprise Flow MFP M528. The use of compatible supplies does not void your printer warranty.