This is a compatible Brother TN436Y yellow super high yield toner cartridge, delivering up to 6,500 pages. Engineered for reliable performance with your Brother laser printer, it replaces the original Brother TN436Y super high yield toner. This economical alternative is designed to meet high standards of quality and reliability, ensuring exceptional print results. The use of compatible replacement toners does not void your printer warranty. Backed by our 100% Quality Satisfaction Guarantee.