This is a compatible Brother TN890 ultra high yield black laser toner cartridge designed for use with Brother laser printers. It replaces the original Brother TN890 toner cartridge and is manufactured with new components to ensure reliable performance. This cartridge delivers a yield of up to 20,000 pages, providing an economical alternative to high-cost Brother toner cartridges. The use of compatible cartridges does not void your printer's warranty. Backed by our 100% Quality Satisfaction Guarantee.