These printers use the 101R00555 cartridge:
Click On a Printer to View it's Cartridges
          Xerox-Tektronix PHASER 3330
          Xerox-Tektronix PHASER 3330 DNI
          Xerox-Tektronix WORKCENTRE 3335
          Xerox-Tektronix WORKCENTRE 3335 DNI
          Xerox-Tektronix WORKCENTRE 3345
          Xerox-Tektronix WORKCENTRE 3345 DNI