Laser Tek Services&reg; Super High Yield Brother TN339 4 Pack (1 TN339BK,1 TN339C,1 TN339M,1 TN339Y) Compatible Replacement Cartridges for the Brother HL-L9200CDW, HL-L9200CDWT, MFC-L9550CDWT, and MFC-L9550CDW Package contains 1 Black TN339BK, 1 Cyan TN339C, 1 Magenta TN339M, and 1 Yellow TN339Y Super High Yield Compatible Replacement Toner Cartridges For use in the following Brother HL series: HL-L9200CDW, HL-L9200CDWT and the following Brother MFC series: MFC-L9550CDWT, and MFC-L9550CDW Page Yield: 6,000 pages @ 5% page coverage per cartridge Product Comes with a 1 year 100% Satisfaction Guarantee! Laser Tek Services offers free technical support for any questions you may have. Manufactured by ISO and STMC certified facility.| The Use of Laser Tek Services compatible products will not void your printers warranty.