If you are looking for legitimate device management or utility software, it is recommended to use verified tools from established developers:
ifast 22 is older software. For plotters manufactured after 2018, you may need to use a generic HP-GL or HP-RTL driver. Go to Printer Configuration → Add New → HP-GL/2 → manually set your plotter’s IP or USB port. Ifast 22 Software Download
Where to get the Ifast 22 installer