Lexmark
40X4343
is compatible in the following Printer Models:
Lexmark Mono Laser
Lexmark T652n (4062-21A)
Lexmark T652dn (4062-23A)
Lexmark T652dtn (4062-23A)
Lexmark T654n (4062-41A)
Lexmark T654dn (4062-43A)
Lexmark T654dtn (4062-43A)
Lexmark TS654dn (4062-43A)
Lexmark T656dne (4062-630)
Lexmark TS656dne (4062-63S)