These printers use the T0B30A cartridge:
Click On a Printer to View it's Cartridges
          HP PageWide Enterprise Color 765 DN
          HP PageWide Enterprise Color Flow MFP 785 F
          HP PageWide Enterprise Color Flow MFP 785 Z+
          HP PageWide Enterprise Color Flow MFP 785 ZS
          HP PageWide Enterprise Color MFP 780 DN
          HP PageWide Enterprise Color MFP 780 DNS
          HP PageWide Enterprise Color MFP 785 Z