Laser Tek Services &reg; 4 Pack Premium Compatible TN-115 Toner Cartridges compatible with the Brother DCP-9040 HL-4040 Package contains 1 Black TN115K, 1 Cyan TN115C, 1 Magenta TN115M, and 1 Yellow TN115Y Compatible Replacement Toner Cartridges For use in the following printer models: Brother DCP-9040CN, DCP-9045CDN, HL-4040CDN, HL-4040CN, HL-4070CDW, MFC-9440CN, MFC-9450CDN, MFC-9050CDN, MFC-9840CDW Page Yield: 5,000 pages @ 5% coverage for black & 4,000 pages @ 5% coverage for color cartridges Product Comes with a 1 year 100% Satisfaction Guarantee! Laser Tek Servicesoffers free technical support for any questions you may have. Manufactured by ISO and STMC certified facility. 100% Guarantee on all of our products!| The Use of Laser Tek Servicescompatible products will not void your printers warranty.