Epson WF-2930 User Manual page 227

You see a window like this:
4. Select the cleaning cycle you want to run, based on the nozzle check pattern and click Next.
5. Click Start to begin the cleaning cycle.
The power light flashes throughout the cleaning cycle and stays on when the cleaning cycle is
finished.
Caution: Never turn off the product or open the scanner unit during a cleaning cycle or you may not
be able to print.
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