Why is my HP Envy printer showing offline?
Check the printer connection status: Make sure the wireless signal is on, and the printer is connected to the same network as your computer or mobile device. If your printer has a light next to a Wireless icon or button , make sure the light is on. If it is off or blinks, the printer is disconnected from the network.
How do I reconnect my HP Envy 4520?
Connect to the wireless network.Turn on the printer if it is not already on.On the printer control panel, touch the Wireless icon . The Wireless screen displays.Touch the Settings icon .Touch Wireless Setup Wizard, then follow the instructions on the control panel to connect the printer to your wireless network.Sep 11, 2017