This is a compatible Brother TN436BK black super high yield toner cartridge, delivering up to 6,500 pages. Engineered to provide reliable performance with your Brother laser printer, it serves as a cost-effective alternative to the original Brother TN436BK toner. The cartridge is manufactured brand new and is designed to meet high standards of quality and reliability for exceptional printing results. Using this compatible toner does not void your printer warranty and is backed by our 100% Quality Satisfaction Guarantee.