These printers use the MLT-D115L cartridge:

Samsung M 2620

Samsung M 2670

Samsung M 2820

Samsung M 2870

Samsung Xpress M-2620

Samsung Xpress M-2670

Samsung Xpress M-2820

Samsung Xpress M-2830 DW

Samsung Xpress M-2870

Samsung Xpress M-2880 FW

Samsung Xpress SL M-2620