These printers use the 15W0902 cartridge:
Click On a Printer to View it's Cartridges
          Lexmark C 720
          Lexmark C 720 DN
          Lexmark C 720 N
          Lexmark Optra C-720
          Lexmark Optra C-720 DN
          Lexmark Optra C-720 N
          Lexmark X 720
          Lexmark X 720 Color MFP
          Lexmark X 720 MFP
          Burroughs-Unisys UDS 170
          Burroughs-Unisys UDS 170 N