OEM Genuine Canon 7430A005AA, Canon EP-87, EP87, YELLOW Laser Toner for Canon Image CLASS MF8170c, MF8180c, Laser COLOR Copiers, Page Yield 4,000. Also see: 7433A005AA, 7431A005AA, 7432A005AA, 7430A005AA, 7429A005AA.
What is OEM? OEM means Original Equipment Manufacturer, in other words it's a genuine toner, inkjet, or ribbon directly made by its manufacturer and labeled by the manufacturer.
 "7430A005AA - Yellow Toner OEM Genuine Canon")