Black high-yield toner, 12, 000-page yield, suitable for the following machines: HL-L9430CDN/HL-L9470CDN/MFC-L9630CDN/MFC-L9670CDN. Designed and manufactured by Brothers expert engineers, our genuine TN-821 supplies are the perfect partners for the professional workgroup colour laser printer series. Offering up to 12, 000 pages per black cartridge and 9, 000 pages per cyan, magenta and yellow cartridge and the added option of super-high yield cartridges for a more economical option, reducing your total cost per page. And as Brother Genuine Supplies, they are rigorously tested to ensure every print is as perfect as the last. This toner is suitable for the following Colour Laser Printers: HL-L9430CDN, HL-L9470CDN, MFC-L9630CDN & MFC-L9670CDN