These printers use the 006R01278 cartridge:
Click On a Printer to View it's Cartridges
          Xerox-Tektronix FaxCentre 2218
          Xerox-Tektronix WC 4118 X
          Xerox-Tektronix WorkCentre 4118
          Xerox-Tektronix WorkCentre 4118 P
          Xerox-Tektronix WorkCentre 4118 X