SuppliesMAX Compatible Brand Toner Cartridge (2/PK-43900 Page Yield) ; Compatible With: Toshiba e-STUDIO 2018A / Toshiba e-STUDIO 2518A / Toshiba e-STUDIO 3018A / Toshiba e-STUDIO 3018AG / Toshiba e-STUDIO 3518A / Toshiba e-STUDIO 4518A / Toshiba e-STUDIO 5018A / Toshiba e-STUDIO 5018AG.