Amazon.com: SuppliesMAX Compatible Replacement for Samsung ProXpress M4020ND/M4024ND/M4070FR Ultra High Yield Toner Cartridge (8/PK-15000 Page Yield) (MLT-D203U_8PK) : Office Products
Samsung MLT-D203L Toner Cartridge Black, High Yield for SL-M3320ND, 3310, M3370FD, M3820DW, M3870FW, M4020ND, M4070FR, M4070FX
Amazon.com: ProXpress M4020ND LED Printer - Monochrome - 1200 x 1200 dpi Print - Plain Pa : Office Products
Amazon.com: LxTek Compatible Toner Cartridge Replacement for Samsung 203 203L MLT-D203L to use with ProXpress SL-M4020ND SL-M4070FR SL-M3320ND SL-M3870FW SL-M3370FD SL-M3820DW Printer (2 Black, High Yield) : Office Products
Amazon.com: ProXpress M4020ND LED Printer - Monochrome - 1200 x 1200 dpi Print - Plain Pa : Office Products
Amazon.com: (1-Pack) Extra High Yield Compatible MLT-D203L D203L Toner Cartridge 203L Used for Samsung ProXpress M3370FD M3870FW M4070FR M3320ND M3820DW M4020ND Printer, Sold by EasyPrint : Office Products