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Common problems for Connectivity Issues
We would like to share some of the most frequently asked questions about Printer Wi-Fi, Connectivity Issues and Offline Status. Check out this link: Printer Wi-Fi, Connectivity Issues and Offline Status..
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Re: Wifi not connected issue

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My DJ2540 has a constant flashing blue light. This has only been an issue since the latest ios 14 update - we have had to reset all devices in the house, but I can't seem to find a way to rectify the problem on the printer.  Have tried the HP scan dr but that said everything was fine, printed a test page, but didn't resolve the flashing blue light. 

Am trying to tweet HPto see if they can help.

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Hi @Prestige123,


I'd like to help!


The flashing blue light indicates the printer is not connected to the network.


Please try the steps below to connect your printer to the network.


--->On the printer control panel, press the Wi-Fi Direct button.
---> When Wi-Fi Direct is turned on, the Wi-Fi Direct light is on steady. 
--->To print the information page, press and hold the Wireless Direct button for more than 3 seconds
--->On your computer or phone go to wifi and connect it to your printer 
--->Select your printer with DIRECT in the name from the list of available networks (example: DIRECT-74-HP Deskjet2540).
--->Select the Wi-Fi Direct printer signal in Wi-Fi settings 
--->If prompted for a password, type 12345678. This is the default password.
--->Now open a browser and type
--->you will be able to access the printer's EWS page 
--->on the page, you will find network - click on it 
--->go to wireless and select wireless setup wizard
--->now select the network that you want your printer to connect to and type in the password 
--->thewireless blue light will stop blinking once the printer is connected 
--->then connect your phone back to your network


Hope this helps! Keep me posted. 


And, Welcome to the HP Support Community. 


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