These printers use the 63H2401 cartridge:
Click On a Printer to View it's Cartridges
          IBM 4317
          IBM 4317 Network Printer
          IBM Infoprint 17
          IBM Network Printer 17
          IBM NP 17 Network PTR 17
          Acom-Computer 4517
          Acom-Computer Docuprint 17
          Burroughs-Unisys IWP-1175
          DEC LN 17
          DEC LN 17 PS
          Digital-DEC LN 17
          Digital-DEC LN 17 PS
          Lexmark 4317
          NEC Silentwriter 1700
          NEC Silentwriter 1760
          NEC Silentwriter 1765
          NEC Superscript 1700
          NEC Superscript 1760
          NEC Superscript 1765
          Olivetti PG L-17
          Xerox-Tektronix 4517
          Xerox-Tektronix 4517 MP
          Xerox-Tektronix 4517 MPS
          Xerox-Tektronix 4517 S
          Xerox-Tektronix Asama
          Xerox-Tektronix DocuPrint 4317
          Xerox-Tektronix DocuPrint 4517
          Xerox-Tektronix DocuPrint 4517 MP
          Xerox-Tektronix DocuPrint 4517 MPS
          Xerox-Tektronix DocuPrint 4517 S
          Xerox-Tektronix DocuPrint N-17
          Xerox-Tektronix DocuPrint N-17 B
          Xerox-Tektronix M 5 F
          Xerox-Tektronix M 6 E
          Xerox-Tektronix XP 17