Amazon.com: Samsung SLM4020ND-1-ULTRA High Black Toner, 15000 Yield : HP: Everything Else
Toner Bank 10-Pack Compatible Toner for Samsung MLT-D203L 203L Pro Xpress M3320 M3370 M3870 M4070 M3820 M4020 Printer 10 * Black - Walmart.com
Amazon.com: Toner Cartridge MLT-D203L Works for Samsung Pro Xpress M3320 M3310 M3820 M4020 M3370FD M3870 M4070FD FW M4072 Printer, Yields Up to 10,000 Pages Black : Office Products
SuppliesMAX Compatible Replacement for Samsung ProXpress M3820/M3870/M4020/M4024/M4070 Series Extra High Yield Toner Cartridge (8/PK-10000 Page Yield) (MLT-D203E_8PK) Toner Cartridges (Aftermarket) - Newegg.com
Samsung SMD203L MLT-D203L for ProXpress SL-M3320 SL-M3370 MFP SL-M3820 SL-M3870 MFP and SL-M4020 SL-M4070 MFP Toner Cartridge High Yield 5K
Black High Yield Toner Cartridge Compatible with Samsung ProXpress M4020ND (N0233)