These printers use the CH219A cartridge:
Click On a Printer to View it's Cartridges
          HP Scitex FB-500
          HP Scitex FB-500 INDUSTRIAL Printer
          HP Scitex FB-550
          HP Scitex FB-550 Printer
          HP Scitex FB-700
          HP Scitex FB-700 INDUSTRIAL Printer
          HP Scitex FB-750
          HP Scitex FB-750 Printer
          HP Scitex FB-950 Printer