The Brother TN-326BK is the high capacity black toner cartridge available for use in the Brother MFC-L8850CDW and all other printers mentioned in the compatibility pane of this listing. When buying a genuine Brother TN326BK you can be assured of the very highest quality manufacturing and unbeatable print quality.Brother know the workings of all printers compatible with the TN-326BK and have designed this cartridge to work seamlessly with them all. All of the cartridges in the TN326 range have been designed for easy installation into your printer and the toner powder contained in the TN326BK will fuse to paper at the exact temperate produced by the machine.VAT and fast free delivery within the UK is included in the price you see listed here.