Compatible replacement for the Lexmark 56F1U00 black toner cartridge, delivering up to 25,000 pages. This ultra high yield toner cartridge is manufactured with 100% new components, providing a reliable and economical alternative to expensive OEM cartridges. Designed to meet high standards of quality and reliability, it ensures exceptional printing results. Using compatible cartridges does not void your printer warranty and is backed by our 100% Quality Satisfaction Guarantee.