Lexmark
12G9449
is compatible in the following Printer Models:
Lexmark Paper Handling
W820, X830e, X832e Finisher (4025-FIN)
Lexmark Mono Laser
Lexmark X820e (4025-n01,4036-501)
Lexmark X820fe (4025-n01,4036-501)
Lexmark X830e (4025-n02,4036-501)
Lexmark X832e (4025-n03,4036-501)