Hi @Mohamed3538,
Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
If your HP Smart Tank 515 printer is stuck displaying the letter "A" during a full reset, try the following steps to cancel or recover from it.
Power Cycle the Printer
- Turn off the printer using the power button.
- Unplug the power cable from the printer and the wall socket.
- Wait for 5 minutes.
- Plug the power cable back in and turn on the printer.
- Check if the printer starts normally.
Reset the Printer Again
If the printer is still stuck, try resetting it again:
- Turn off the printer.
- Press and hold the Cancel (X) and Wi-Fi buttons together.
- While holding these buttons, turn the printer back on.
- Release the buttons once the printer displays any new message or the HP logo.
Update Firmware (if accessible)
If the printer is detected on a computer via USB or Wi-Fi:
- Open HP Smart on your PC or mobile.
- Go to Printer Settings> Advanced Settings.
- Check for firmware updates and install them.
I hope this helps.
Take care and have a good day.
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Max3Aj
HP Support