Toner Spot Remanufactured Full Color Set High Yield Inks Cartridges Replacement for Lexmark 18C2170 No.36XL and 18C2180 No.37XL (Black and Color) Compatible with Lexmark X3650, X4650, X5650, X6650, X6675, and Z2420 models 6 months manufacturer warranty against product defect 30-day satisfaction money back guaranteed Remanufactured by Toner Spot under the highest standards 500 page yield at 5% coverage for each ink unit