There are so many ways to resolve the issue such as default password for hp printer, how to reset the password on a hp printer and How to solve HP Printer Error 0xc4eb8004. you need to just follow some basic steps that are mentioned here:
With the printer turned on, remove the ink cartridges. Disconnect the power cord from the printer. Unplug the power cord from the wall outlet. Wait at least 15 seconds. Plug the power cord back into the wall outlet.
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