These printers use the 106R01507 cartridge:
Click On a Printer to View it's Cartridges
          Xerox-Tektronix Phaser 6700 /DN
          Xerox-Tektronix Phaser 6700 /DT
          Xerox-Tektronix Phaser 6700 /DX
          Xerox-Tektronix Phaser 6700 /N
          Xerox Phaser 6700 /DN
          Xerox Phaser 6700 /DT
          Xerox Phaser 6700 /DX
          Xerox Phaser 6700 /N