Lexmark
40X5757
is compatible in the following Printer Models:
Lexmark Multifunction Mono Laser
Lexmark X651de HV (7462-031)
Lexmark X651de LV (7462-0A1)
Lexmark Mono Laser
Lexmark X651de HV (7462-031)
Lexmark X651de LV (7462-0A1)