Brother: Brother Black Toner Cartridge 20k pages - TN3520 Brother Black Toner Cartridge 20k pages - TN3520 When purchasing replacement inks, toners, drums and belt units, use Brother Genuine Supplies to keep your printer in the best possible condition for unrivalled print quality and superior reliability. Using inferior non-genuine supplies can cause poor quality prints, less efficiency and damage to your printer, which can end up costing you much more in the long run. MPN: BRTN3520 EAN: 4977766755672 Brother Black Toner Cartridge 20k pages - TN3520 Attributes: Colour: Black MFR Part No.: BRTN3520 Page Yield: Up to 20,000 pages Type: Toner