This is due to a hardware failure, the scanner assembly and the formatter board will need to be replaced.
1. Turn off the all-in-one
2. Press and hold down the * and enter buttons.
3. Continue to hold down the buttons while you turn on the all-in-one. Hold the buttons throughout the entire power-on sequence.
4. When Permanent Storage Init. appears on the control-panel display, release the buttons.
5. Allow the all-in-one to return to Ready before using it. storage init. appears, and then release the buttons.
if this does not work contact hp 1800-334-5144.