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Un pack the 123.hp.com/oj4650 printer from its packaging and keep the power cords ready to connect in its respective places. Now, place the cords firmly into the wall sockets so that there are no loose connections or any power issues with the devices. After connecting the cords, press the Home button on the left-hand corner of the printer.…

If you haven't already done a power cycle, it's possible these easy steps will get you back online. 

1. Turn off the printer and unplug the power cord from the printer itself.

2. Turn off the computer.

3. Wait 30 seconds and turn on the computer.

4. Plug the printer power cord back into the printer and turn the printer on.

5. Check the functionality of the printer.

If this doesn't resolve your printer issue, try the following steps for Windows or…