Lexmark 40X8862 is compatible in the following Printer Models:

Lexmark Multifunction Mono Laser

Lexmark MX910de (7421-036)
Lexmark MX910dxe (7421-036)
Lexmark XM9145 (7421-039)
Lexmark MX911de (7421-236)
Lexmark MX911dte (7421-236)
Lexmark XM9155 (7421-239)
Lexmark MX912de (7421-436)
Lexmark MX912dxe (7421-436)
Lexmark XM9165 (7421-439)

Lexmark Mono Laser

Lexmark MX910de (7421-036)
Lexmark MX910dxe (7421-036)
Lexmark XM9145 (7421-039)
Lexmark MX911de (7421-236)
Lexmark MX911dte (7421-236)
Lexmark XM9155 (7421-239)
Lexmark MX912de (7421-436)
Lexmark MX912dxe (7421-436)
Lexmark XM9165 (7421-439)