Alexander, as ipp-usb starts to communicate with the printer as soon as it attaches to it, you could perhaps add a mechanism that somehow finds out whether the printer is actually driverless or not, and if not, unattach ipp-usb immediately to give way for classic access (CUPS backend or Printer Application).
Alexander, as ipp-usb starts to communicate with the printer as soon as it attaches to it, you could perhaps add a mechanism that somehow finds out whether the printer is actually driverless or not, and if not, unattach ipp-usb immediately to give way for classic access (CUPS backend or Printer Application).