Lexmark Fuser 40X8024 is a replacement service part that supports heat-based toner fixing in compatible Lexmark laser printers. The manufacturer identifies this exact part number as a 220–240 V fuser.
Lexmark recommends fuser installation every 150,000 pages, providing a useful maintenance interval for compatible devices. The listed models include MS312dn, MS310dn, MS410dn, MS415dn, MS510dn, MS610dn, MX310dn, MX410de, MX511de and MX611de, among others.
This fuser is intended for the compatible Lexmark printer models named by the manufacturer. Its purpose is to help restore the printer’s fusing function as part of service maintenance.