These printers use the 016160400 cartridge:
Click On a Printer to View it's Cartridges
          Xerox-Tektronix Phaser 840
          Xerox-Tektronix Phaser 840 DP
          Xerox-Tektronix Phaser 840 DX
          Xerox-Tektronix Phaser 840 N
          Xerox Phaser 840
          Xerox Phaser 840 DP
          Xerox Phaser 840 DX
          Xerox Phaser 840 N