These printers use the MLT-D103L cartridge:

Samsung ML 2950 NDR

Samsung ML 2955 DW

Samsung ML 2955 ND

Samsung SCX 4701 ND

Samsung SCX 4705 ND

Samsung SCX 4726 FD

Samsung SCX 4726 FN

Samsung SCX 4727 FD

Samsung SCX 4728 FD

Samsung SCX 4729 FD

Samsung SCX 4729 FW