@Denisey13
Thank you for posting on HP Forums,
Riddle_Decipher is at your service.
As I Understand the printer is not responding or seems have disconnected on its own,
Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details:
Did you attempt to perform a hard reset?
Did you ensure all connections are intact?
While you respond to that, here's what you need to do next:
Step 1: Click here to view a video on resetting the USB/network connection to ensure it's connected properly
Resetting power to the printer forces the printer to reset stored values in the firmware. A power reset can help when the printer is not accepting communication from the Mac.
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Make sure the printer is idle, not making any sounds, before continuing.
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With the printer turned on, disconnect the power cord from the rear of the printer.
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Unplug the power cord from the wall outlet.
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Wait at least 60 seconds.
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Plug the power cord back into the wall outlet.
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Reconnect the power cord to the rear of the printer.
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If the printer does not turn on by itself, press the Power button
to turn it on.
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Try printing again and note what happens.
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If the printer prints, you can stop troubleshooting.
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If the print job becomes stuck again, continue to the next step.
Step 3: Remove multiple printers from the printer list
Check for multiple devices in the Printers list, and then remove any extra entries other than one in idle status.
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Search the Mac for Print, and then click Print & Fax, Print & Scan, or Printers & Scanners in the list of results.
CLICK HERE FOR MORE STEPS AND INSTRUCTIONS. (continue from Step 3 & onwards).
Keep me posted for further assistance 😉
Riddle_Decipher
I am an HP Employee