Toshiba Magenta T-FC28-M Toner E-studio 4520C Supported printers: Toshiba E-Studio 2330C Toshiba E-Studio 2830C Toshiba E-Studio 3530C Toshiba E-Studio 4520C Individually factory sealed Additional Part Numbers T-FC28-M, 6AK00000089, PS-ZTFC28M Sold exclusively by OCinkjet Genuine OEM Product One year factory warranty against product defect