Linkyo replacement Brother TN-850, Brother TN-820, and DR-820 toner cartridges are compatible with the Brother HL-6800DWT printer. Our compatible replacement for the Brother TN-850 toner cartridge is built to meet OEM (Original Equipment Manufacturer) standards. The high yield TN-850 replacement toner cartridge replaces the low yield TN-820 Brother toner cartridge. Brother TN-850 toner cartridge has an estimated yield of 8,000 pages (based on 5% coverage). It achieves greater print quality by maximizing printer performance.