Welcome to HP Support Community
I understand your concern
Try resetting the printer back to factory Settings
Press Power Button + Cancel button while connecting the Power cable.
If the issue persists please contact HP Support in your region for service options
1) Click on this link - www.hp.com/contacthp/
2) Select your product type below.
3) Enter the serial of your device.
4) Select the country from the drop-down.
5) Select the chat or get phone number options based on your preferences.
6) Fill the web-form and proceed further.
Thank you
If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted" on this Post and it will also help other community members with similar issue.