Wireless connection to my printer.

[Aviaerik]

I have installed a new router and entered the router name and password in the HP ENVY 5640 printer.  Tested the print OK.  The next print failed as my iMac could not find the printer.  Entered the password again and got my print.  Net print failed again and entering the password I got my print.  And so it it goes on and on and on.  I can print with no problem from my iPhone.  What do I have to do to solve this problem?

Thank you for your help.     

[Nal_NR]

Hi @Aviaerik ,

Welcome to the HP Support Community.

I understand that you are facing connectivity issues. I’d like to help!

To provide you with an accurate solution, I'll need a few more details:

Make sure, your printer and your device are on the same network as 2.4GHZ only.

Update  the DRIVER

Printers with a touchscreen display

Use the touchscreen to restore Wi-Fi setup mode.

1. On the printer control panel, touch the Setup icon 

    or Wireless icon 

   .

2. Select Network setup or Settings, and then select Restore Network Settings.

   NOTE: 

   Your control panel might look different than the following example, but the steps are the same.

   1. If a confirmation prompt displays, touch Yes.

   2. Wait 60 seconds until the Wireless light blinks blue.

   3. Within two hours, return to the app or software to find and add your printer and complete the setup.

      You may also refer to this document for further assistance. 

      Hope this helps! Keep me posted for further assistance.
      Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!