This is compatible inkjet for Brother OEM part #LC203BKS, #LC203BKXL. The page yield of this Brother inkjet is 550 pages based on 5% page coverage. This inkjet is made of high quality standards and is guaranteed to meet or exceed OEM specifications. Toner Booth provides 100% guarantee all of its compatible cartridges and re-manufactured cartridges. You will also receive free shipping on all US order over $50.