This is a compatible Lexmark W84020H high yield black laser toner cartridge designed to work with your Lexmark W840 laser printer. It serves as a replacement for the original Lexmark W84020H toner cartridge. The cartridge is engineered to meet high standards of quality and reliability, providing exceptional printing results. It contains new parts including chips and OPC drums, making it a cost-effective alternative to the OEM version. The use of this compatible toner does not void your printer's warranty and is backed by our 100% Quality Satisfaction Guarantee.