Lexmark 41X1321 is compatible in the following Printer Models:

Lexmark Multifunction Mono Laser

Lexmark MX521de (7017-636)
Lexmark MB2546ade (7017-676)
Lexmark MX521ade (7017-676)
Lexmark MX522adhe (7017-678)
Lexmark XM1246 (7017-679)
Lexmark MB2650ade (7018-676)
Lexmark MX622ade (7018-676)
Lexmark MX622adhe (7018-678)
Lexmark XM3250 (7018-679)

Lexmark Mono Laser

Lexmark MX521de (7017-636)
Lexmark MB2546ade (7017-676)
Lexmark MX521ade (7017-676)
Lexmark MX522adhe (7017-678)
Lexmark XM1246 (7017-679)
Lexmark MB2650ade (7018-676)
Lexmark MX622ade (7018-676)
Lexmark MX622adhe (7018-678)
Lexmark XM3250 (7018-679)