OK, got it and quadruple checked it turned everything off and on again and it still works.
ON MAC: Delete current printer: System Preferences, Printers and Scanners and select any Printers on left side of window then press the “-“ sign below that window to remove it.
ON PRINTER: Make sure printer is set to “WIRELESS DIRECT” - On printer select SETUP, NETWORK and turn WIRELESS DIRECT ON. I have Security turned on and noted the 8 digit passcode. You can leave the Security OFF. I have WIRELESS turned OFF.
When You are ready to print something:
- Go to “SYSTEM PREFERENCES”
- Go to “NETWORK”
- Go to “NETWORK NAME:” Select “HP-Print-53-OfficeJet Pro 8600” - YOU NOW LOST INTERNET because you are only connected to your printer
- Go back to whatever you wanted to print and print as you normally would - Enter 8 digit passcode enabled.
- You might need to select the printer in the Applications print window if it isn't defaulted.
- UNDO Step 4 by reselecting your previous "NETWORK NAME" to get back on the internet