(13 Steps) - How to Fix HP Envy 45…
https://www.workaroundtc.com/hp-envy-4520-printer-offline/
Turn off the printer by pressing and holding the power button. Remove all the power cables of the printer and disconnect the USB cable. Wait for a few seconds, and then reconnect all the cables that you unplugged earlier. Power up the printer. If wired, unplug its USB cable from PC. Uninstall all the printer software. Restart the PC. Copy and paste in Start search box: printui/s /t2. Right-click result to Run as Administrator. Turn the printer and the PC that is not printing properly off. Remove the power cord from the back of the router for one minute. When all the lights return on the router, turn the printer and the PC back on. On the PC click on Start and Devices and Printers. Right-click on any icon of your printer listed. Click on Remove Device.
Turn off the printer by pressing and holding the power button.
Remove all the power cables of the printer and disconnect the USB cable.
Wait for a few seconds, and then reconnect all the cables that you unplugged earlier.
Power up the printer.
If wired, unplug its USB cable from PC.
Uninstall all the printer software.
Restart the PC.
Copy and paste in Start search box: printui/s /t2.
Right-click result to Run as Administrator.
Turn the printer and the PC that is not printing properly off.
Remove the power cord from the back of the router for one minute.
When all the lights return on the router, turn the printer and the PC back on.
On the PC click on Start and Devices and Printers.
Right-click on any icon of your printer listed.
Click on Remove Device.
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