Hi @moniquecaprice,
Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
The blinking power button on your HP DeskJet 2742e All-in-One Printer typically indicates a connectivity issue, particularly if the printer is no longer connected to your Wi-Fi network. This might happen for several reasons, such as changes in your network settings or interference with the Wi-Fi signal.
Here are some troubleshooting steps to resolve the issue:
Restart Printer and Router
- Turn off both your printer and router.
- Wait for about 30 seconds, then turn your router back on.
- Turn the printer on once the router is fully restarted.
Reconnect the Printer to Wi-Fi
- Press and hold the Wireless button (or Wi-Fi icon) on your printer until the light starts blinking.
- On your computer or mobile device, open the HP Smart app.
- Select Add Printer and follow the on-screen instructions to reconnect the printer to your Wi-Fi.
Reset Network Settings
- If the above steps don’t work, you may need to reset the printer’s network settings.
- To reset: Press and hold the Wireless and Cancel buttons together for 5 seconds. This will restore network settings to default.
- After resetting, use the HP Smart app to reconnect the printer to your network.
Check Wi-Fi Signal
- Ensure the printer is within range of the router and there are no obstructions or interference from other devices.
Update Printer Firmware
- Using the HP Smart app, check if there are any firmware updates for your printer and install them if necessary.
I hope this helps.
Take care and have a good day.
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Alden4
HP Support