These printers use the 179499-001 cartridge:
Click On a Printer to View it's Cartridges
          Printronix P 7000 Series
          Printronix P 7005
          Printronix P 7010
          Printronix P 7015
          Printronix P 7205
          Printronix P 7210
          Printronix P 7215
          Printronix P 7220
          Burroughs-Unisys UMS 6010
          Burroughs-Unisys UMS 6015
          Burroughs-Unisys UMS 6020
          Unisys UMS 6010
          Unisys UMS 6015
          Unisys UMS 6020