Compatible with: Brother L8900CDW HL-L8360CDW, HL-L8360CDWT, HL-L9310CDW, HL-L9310CDWTT & MFC L8900CDW, MFC-L9570CDW, MFC-L9570CDWT Compatible Replacements Included: (1) Brother TN-436 Black TN436 toner cartridge TN436BK Delivers 6,500 pages just like the original Brother TN436 toner cartridge Average cartridge page yield in accordance with ISO IEC 24711 This is the super high yield version of Brother TN433 Toner Cartridges TN433BK TN 433 High Yield / TN431 The use of aftermarket replacement cartridges and supplies does not void your printer's warranty