These printers use the CLTC504S cartridge:
Click On a Printer to View it's Cartridges
          Samsung CLP 415 N
          Samsung CLP 415 NW
          Samsung CLX 4195 FN
          Samsung CLX 4195 N
          Samsung CLX 4195 FW
          Samsung Xpress C-1810 W
          Samsung Xpress C-1860 FW