These printers use the C746H1KG cartridge:
Click On a Printer to View it's Cartridges
          Lexmark C 746 DN
          Lexmark C 746 DTN
          Lexmark C 746 N
          Lexmark C 748 DE
          Lexmark C 748 DTE
          Lexmark C 748 E
          Lexmark X 746 DE
          Lexmark X 748 DE
          Lexmark X 748 DTE