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. • Optimizes device performance. • Durable and reliable. • Less wear and tear on machine. • Works best together with your Lexmark printer. 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. Device Types: Laser Printer; Color(s): Black; Page-Yield: 125,000; Supply Type: Developer Unit.