These printers use the MLT-D203E cartridge:

Samsung ProXpress M-3820 DW

Samsung ProXpress M-3820 FW

Samsung ProXpress M-3870 FW

Samsung ProXpress M-4020 ND

Samsung ProXpress M-4024 ND

Samsung ProXpress M-4070 FR

Samsung SL M-3820 DW

Samsung SL M-3820 ND

Samsung SL M-3870 FD

Samsung SL M-3870 FW

Samsung SL M-4020 ND

Samsung SL M-4070 FR