The instructions for resolving AirPrint connection issue on an iOS device is provided below.

Update the printer either directly from the control panel or the manufacturer’s website.

Make sure your iOS operating system is updated. Try to print via AirPrint. If the issue persists, proceed with the following steps.

Tap the Wireless icon on the Envy 4520 printer’s control panel and tap Settings.

Go to Advanced Settings and disable iPv6 if it is turned on.

If the issue remains unresolved, print a Network Configuration Page and then locate the URL for Embedded Web Server.

Open the URL on your browser, click Network and then select Internet Printing Protocol.

Click Save after clearing the Internet Printing Protocol over HTPPS (IPPS) box.