These printers use the 106R2731 cartridge:
Click On a Printer to View it's Cartridges
          Xerox-Tektronix DocuPrint M-455 DF
          Xerox-Tektronix DocuPrint P-455 D
          Xerox-Tektronix Phaser 3610 DN
          Xerox-Tektronix Phaser 3610 N
          Xerox-Tektronix Phaser 3610 YDN
          Xerox-Tektronix WorkCentre 3615 DN