You can now make use of your favorite HP Deskjet 820Cxi Professional printer. 1st you have to add run the hpfst104.exe at run command. Then please when you are asked to for disk3 simply enter \HPDeskjet 820Cxi for Win98SE or <directory you prefered>. Add all the fonts in your fonts configurer at the control pannel. Then restart.. Ignore installation of HP 820C that been detected by pressing the cancel button. Then the setup.exe at directory \HPDeskjet 820Cxi for Win98SE or <directory you prefered>.
Hope this will help you.
Thanks very much to the one who uploaded the ttf library configuration posted here at driversguide.
Happy printing.. and learn more..