HP OfficeJet Pro 8740 Factory Reset

[djb112349]

How do I unlock an HP OfficeJet Pro 8740 so I can change its wireless network?  The old network has been disconnected and removed.  

[asmita6658]

@djb112349

 
Greetings!

 
Welcome to the HP Support Community. This is a great place to get support, find answers and tips to your technical queries. I have reviewed your post and I understand, you are trying to connect your printer to a new network. 

Don't worry, I'm here to help! 

Let's try these steps -

Step 1 Network Restore -

1) From the printer control panel, touch or swipe down the tab at the top of the screen to open the Dashboard, and then touch ( Setup ).
2) Touch Network Setup.
3) Touch Restore Network Settings.
A message appears stating that the network defaults will be restored.
4) Touch Yes.  

Step 2 Reboot the devices -

1) Turn off the Router, Printer, and the computer. 
2) Wait for 60 seconds. 
3) Turn on the Router first and wait for all the lights to stabilize. 
4) Turn on the printer and allow it to configure itself. 
5) Turn on the computer.

Step 3 Run Wireless Wizard - 

1) From the printer control panel, touch or swipe down the tab at the top of the screen to open the Dashboard, and then touch (Wireless).
2) Touch ( Settings ).
3) Touch Wireless Settings.
4) Touch Wireless Setup Wizard or Wi-Fi Protected Setup.
5) Follow the display instructions to complete the setup.

Hope this helps!

Let me know if you have any other questions. 

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Have a great day!