Lexmark
40X5436
is compatible in the following Printer Models:
Lexmark Color Laser
Lexmark C540n (5025-210)
Lexmark C543dn (5025-230)
Lexmark C544n (5025-410)
Lexmark C544dn (5025-430)
Lexmark C544dtn (5025-430)
Lexmark C546dtn (5025-439)
Lexmark C544dw (5025-43W)