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Follow the given steps for HP printer troubleshooting

Use the POWER button to switch on the printer
Now, disconnect the power cord from the printer while that is still started up
Likewise, disconnect the power cord from the wall unit
Wait for a few minutes and then reinsert the ability cable into the printer (123.hp.com/setup)
Turn ON the printer once again making use of the POWER button
When the condition persists, move on to the next action
https://easyprintersupport.com/hp-printer-troubleshooting-guide/