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
Samsung ProXpress M4020ND Black High Yield Toner Cartridge, Genuine (G2565)
Compatible SSMD203L Toner Cartridge for Samsung ProXpress SL-M3320 SL-M3370 MFP SL-M3820 SL-M3870 MFP SL-M4020 SL-M4070 MFP Series MLT-D203L High Yield 5K
Samsung M4020 Toner
HP MLT-D203L - High Yield - Black - Original - Toner Cartridge (SU901A)