These printers use the 89903 cartridge:
Click On a Printer to View it's Cartridges
          Gestetner DSC 322
          Gestetner DSC 328
          Gestetner DSC 332
          Gestetner DSC 338
          Infotec IS C-2028
          Infotec IS C-2432
          Infotec IS C-2838
          Nashuatec DSC 332
          Nashuatec DSC 338
          Rex DSC 332
          Rex DSC 338
          Ricoh Aficio 2228 C
          Ricoh Aficio 2232 C
          Ricoh Aficio 2238 C