Genuine Lexmark yellow developer unit for C540n, C543dn, C544dn, C544dtn, C544dw, C544n, C546dtn, X543dn, X544dn, X544dtn, X544dw, X544n, X546dtn. This developer unit is built to bring out the best from your device. Reliable and durable enough for everyday printing. Optimized design means less wear and tear on your machine.
Manufacturer's 90 day warranty.