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
4 Pack Compatible Samsung MLT-D203L High Yield Replacement Toner Cartridges for the Samsung ProXpress M3220ND, ProXpress M3370FD, SL-M3820DW, SL-M3870FW, SL-M4010ND, SL-M4070FR – Laser Tek Services
Amazon.com: E-Z Ink (TM Compatible Toner Cartridge Replacement for Samsung 203 203L MLT-D203L High Yield to use with ProXpress M3370FD M3870FW M4070FR M3320ND M3820DW M4020ND (Black, 1 Pack) : Office Products