If you want to unplug and plug in your Epson printer then you must follow these steps:-
First turn off your printer using the power button and then remove all the USB cables.
Then wait for 5 minutes and then hold the power button of the printer for around 1 minute.
Then insert all the USB cables back into the printer while pressing the power button.
Then keep pressing the power button for another 1 minute.
Then connect the power cable again and then release the power button.
For More Read:- https://www.printeralign.com/fix-epson-printer-error-code-0x97