Epson XP-5200 User Manual page 179

The power light flashes throughout the cleaning cycle and stays on when the cleaning cycle is
finished. When the cleaning cycle is finished, a nozzle pattern prints.
Caution: Never turn off the product or open the scanner unit during a cleaning cycle or you may not
be able to print.
5. Check the printed pattern to see if there are gaps in the lines.
Print head is clean
Print head needs cleaning
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