Hi @Celeste31,
Welcome to the HP Support Community.
I'd be happy to help you!
Identify the power supply for your printer and refer to one of the following sections that matches it.
Printer with internal power supply
Printer with external power supply
Printer with battery power supply
Click here for the remaining steps.
Hope this helps! Keep me posted for further assistance
Please mark this post as “Accepted Solution” if the issue is resolved and if you feel this reply was helpful click “Yes”.