The Lexmark Fuser 40X9046 is a service part for compatible Lexmark printers. It is described as a universal fuser for low- or high-voltage products, making it suitable for the supported printer configurations listed by Lexmark.
Lexmark lists the MS911de, MX910de, MX912dxe and MX911dte as compatible devices. The manufacturer gives an average yield of 720,000 pages and recommends installing the kit at that page interval as part of printer servicing.