This is an original OEM Dell 310-4572 (W2989) high-yield black laser toner cartridge designed for your Dell laser printer. It delivers an impressive yield of up to 18,000 pages, ensuring reliable and consistent print quality. Ideal for both home and office use, this toner cartridge produces excellent, crisp pages. It replaces several Dell part numbers, including K2885, W2989, 310-4572, X2046, 310-4131, and 310-4549.