These printers use the CH219A cartridge:
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