These printers use the 106R03943 cartridge:
Click On a Printer to View it's Cartridges
          Versalink B 600
          Versalink B 600
          Versalink B 605 SL
          Versalink B 605 XL
          Versalink B 610
          Versalink B 615
          Versalink B 615 SL
          Versalink B 615 XL