YoYoInk Compatible Ink Cartridge Replacement for Lexmark 36 XL & 37 XL, 2 Pack (1 black, 1 color) 18C2170 18C2180 Ink Cartridge for Lexmark X3650 X4650 X5650 X6650 X6675 AIO Z2420 Listing Includes: 2 Pack (1 Black 1 Color) Compatible Printers: Lexmark X3650 X4650 X5650 X6650 X6675 AIO Z2420 100% No Hassle Money Back Guarantee with 2 Year Warranty