These printers use the 113R00663 cartridge:
Click On a Printer to View it's Cartridges
          Xerox-Tektronix FaxCentre F-12
          Xerox-Tektronix WorkCentre 312
          Xerox-Tektronix WorkCentre F-15
          Xerox-Tektronix WorkCentre M-12
          Xerox-Tektronix WorkCentre M-15
          Xerox-Tektronix WorkCentre M-15 I
          Xerox-Tektronix WorkCentre Pro 312
          Xerox-Tektronix WorkCentre Pro 412