This is a OEM Lexmark fuser unit.(40X7743) that's compatible with the Lexmark MX and MS series printers, including models such as 710, 711, 810, 811, and 812. Manufactured in the United States, this kit ensures reliable and efficient performance, keeping your Lexmark printer up and running smoothly. Upgrade your printing experience with this essential fuser kit tailored for Lexmark printers.