These printers use the 113R00296 cartridge:
Click On a Printer to View it's Cartridges
          Xerox-Tektronix Document WorkCenter 385
          Xerox-Tektronix DocuPrint P-8 E
          Xerox-Tektronix DocuPrint P-8 EX
          Xerox-Tektronix WorkCentre 385
          Xerox-Tektronix WorkCentre 390