If you are the basic and quick steps to find my on your PC and Mac OS. You need to follow the steps in order to avoid interruptions. According to the handbook I downloaded and read, your WiFi Direct password is revealed when you print out your Network Config sheet from the printer. if you already have the Wifi Direct button switched on, The WiFi Direct HP Printer wifi password is printed in the printed report if you press and hold the button for 3 seconds.
How to reset an HP wireless printer password manually:-
Access the Home menu on your printer.
Click the Right Arrow.
Select the Setup menu.
Scroll down until you see Restore Network Defaults.
Wait until default settings are restored.