These printers use the 80C1SM0 cartridge:
Click On a Printer to View it's Cartridges
          Lexmark CX 310 DN
          Lexmark CX 310 N
          Lexmark CX 410 DE
          Lexmark CX 410 DTE
          Lexmark CX 410 E
          Lexmark CX 510 DE
          Lexmark CX 510 DHE
          Lexmark CX 510 DTHE