HP OfficeJet Pro 8600 AirPrint Setup Troubleshooting Process

Check if you have connected your printer and Apple device to the same wireless network.
Then, see if you’ve placed your HP OfficeJet 8600 printer close to the router.
Next, restart your printer and see if you’ve connected it to the Network.
If the steps above don’t work, check if you have enabled AirPrint on your printer. Open a browser on your Apple Device and enter your printer’s IP address.
In the network page, tap AirPrint, Network and then Status.
Next, the printer will show you a re-direct message. Select OK.
The system will say that the Connection isn’t Private.
Next, you must select Show Details and tap visit the Website to take a look at the AirPrint Settings.
Turn on AirPrint if the status is set to Off in the settings.
You could also use an alternate printing method

First, install the HP Printer Smart App. Follow the steps to connect the printer.
Alternatively, you could also use the Wireless Direct feature.
First, touch the Wi-Fi Direct icon on the printer control panel.
Next, tap Settings and Wi-Fi.
Then, select the choose Network and select the printer with DIRECT in its name. Type 12345678 in the password. Next, try to print using your HP OfficeJet Pro 8600 printer.
You can connect to your wireless network once the print job is complete.

https://hp123.org/hp-officejetpro-8600-airprint-setup/

52 HP officejet pro 8600