Compatible replacement for the Lexmark 51B1H00 black high yield toner cartridge, delivering up to 8,500 pages. This cartridge is designed to provide reliable performance with your Lexmark laser printer. Manufactured with 100% new components, it serves as an economical alternative to the original Lexmark toner, offering significant savings. The use of compatible cartridges does not void your printer warranty and is backed by our 100% Quality Satisfaction Guarantee.