Xerox - 6R903 (92298A, M2473G/A) Laser Cartridge, Black - Prints solid blacks and smooth grays. Reliable and dependable so you can count on it when you need it most. Easy to use, quick to install, and simple to replace. Supply Type: Laser Cartridge; Color(s): Black; Device Types: Laser Printer; Ink Yield: N\A.