This is a compatible Brother LC402BK black ink cartridge designed for use in Brother printers. It offers a standard yield of up to 550 pages, ensuring reliable performance for your printing needs. The cartridge is equipped with a smart chip that allows you to monitor and track your ink levels. Choosing this compatible option can save you up to 75% compared to the MSRP of original Brother cartridges. Backed by our 100% Quality Satisfaction Guarantee.