Lexmark 18C2150 X3650 X4650 X6650 X5650 X6675 Professional x5650es z2420 - #36A Ink Cartridge - Black Yields up to 175 pages Original Lexmark 1 ink cartridges are engineered to consistently deliver a Professional level of quality for all your printing needs Compatible Hardware: Lexmark X3650, X4650, X6650, X5650, X6675 Professional, x5650es, z2420 Black