Can't connect ENVY printer to new WiFi router

[Printer-Issue1]

I switched my home Internet provider, and now have a new Arris wireless router. I have no problem connecting all my mobile devices, laptops, and Roku to the new router, but my HP ENVY 7640 e-All-in-One Printer will not connect. (It worked fine with my old router.)

I've used the printer's Wireless Setup Wizard. It can see the signal from my new router, which I've selected from the list of detectible routers. Then, I type in my router's password. But, the printer and the WiFi just won't make the wireless connection.

Security on the router is WPA / WPA2-PSK. ... So, it SHOULD work. But, it's not.

[TEJ1602]

@Printer-Issue1, Welcome to HP Support Community!

Access the Wireless Setup Wizard through the printer control panel to establish a wireless connection between your printer and network.

1. From the home screen of your printer control panel, touch the Wireless icon 

2. Touch the Setup icon 

3. Touch Restore Network Defaults or Restore Network Settings, and then touch Yes to confirm your selection.

4. After the default network settings are restored, touch the back arrow, touch Wireless Settings, and then touch Wireless Setup Wizard.

   The printer searches for available networks.

5. Touch the name of your wireless network.

6. If your wireless network does not display in the list of wireless networks, touch Enter New Network Name, and then type the name of your wireless network.

   NOTE: 

   Type the exact network name, including any uppercase and lowercase letters.

7. Type the WEP or WPA key (network password), and then touch Done.

   If you do not know your network password, go to Find Your Wireless WEP, WPA, WPA2 Password.

   Once the printer connects to the wireless network, the blue Wireless light on the control panel turns on solid.

Refer to the document HP Printers - No Connection after Router or Wi-Fi Settings Change for details.

Hope this helps! Keep me posted. 

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