These printers use the ML-D3050B cartridge:
Click On a Printer to View it's Cartridges
          Samsung ML 3050
          Samsung ML 3051
          Samsung ML 3051 N
          Samsung ML 3051 ND
          Samsung ML 3051 N/XAA
          Samsung ML 3051 ND/XAA
          Samsung ML 3051 ND/XBH