This is a compatible Lexmark 801SY yellow laser toner cartridge designed to work with Lexmark laser printers. It replaces the original Lexmark 80C1SY0 toner cartridge and delivers a standard yield of up to 2,000 pages. This economical alternative is engineered to meet high standards of quality and reliability, providing exceptional print results. Using compatible toner cartridges does not void your printer warranty. We offer a 100% Quality Satisfaction Guarantee on this compatible toner cartridge.