This is a compatible high yield black laser toner cartridge for the Lexmark X860H21G, delivering up to 35,000 pages. Designed to provide reliable performance with Lexmark laser printers, it serves as an economical alternative to the original Lexmark X860H21G toner cartridge. The cartridge is engineered to meet high standards of quality and reliability, ensuring exceptional print results. Using compatible toner cartridges does not void your printer warranty, and we back our product with a 100% Quality Satisfaction Guarantee.