Lexmark 18C2249 (36XL, 37XL) High Yield Ink: * OEM ink for Lexmark X3650, X4650, X5650, X6650, X6675 All-in-One and Z2420 * Designed to work flawlessly for clear and sharp results * Reliable and dependable * Integrates seamlessly with your printer * Color: Black * Page yields 500 * Pack of 2