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Reconnecting HP2542 all in one printer to my ipad

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BT have changed our Hub to a Halo hub and I now find that I am unable to link my HP 2542 all in one printer to my iPad. The blue internet light on the printer keeps flashing and won’t go to a solid blue light which indicates that printing can commence. I have tried pressing the blue light and the cancel button together until the “on” button flashes but it still won’t connect up. Do you think that the new Halo hub and router are not compatible to my printer as I have had it a few years trouble free.

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@Bartonlady4. Welcome to HP Support Community!


I see that you have issues with connecting the printer to the new network, try using HP Smart App to configure the same-

  1. Make sure your device is connected to the same wireless network that your printer is connected to, or that you want to connect a new printer to.

  2. Go to from a browser on your phone or tablet and install the HP Smart app.

  3. Turn on the printer. If the printer is in sleep mode, press the Cancel button on the control panel.

  4. Prepare the printer for a wireless network connection.


    You must complete the network setup within 2 hours.

    • For most HP printers: Press and hold the Wireless and Cancel buttons until the Wireless and Power lights blink.

  5. Open the HP Smart app.

  6. If a printer setup notification displays, tap the notification. Otherwise, tap the Plus sign to add your printer.

  7. Tap Set Up a New Printer.

  8. Press the Home button, and then connect your Apple device to your printer's wireless network.

    1. From the home screen on your Apple device, tap Settings, and then tap Wi-Fi.

    2. Tap your printer. The printer name contains 'Setup' and the model number, such as HP-Setup>A8-Deskjet 3700 series.

      Your Apple device is now on your printer's wireless network.

  9. Press the Home button, and then tap the HP Smart app.

  10. Follow the on-screen instructions to type the WEP or WPA key (network password).

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

  11. After the printer connects to your wireless network, you can skip the remaining screens to complete the setup.

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

Also, refer to the document HP Printers - No Connection after Router or Wi-Fi Settings Change for any additional help.


Keep me posted. 


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