Read the instructions for Power Cleaning before running this feature.
Press the 
button to turn off the printer.
While holding down the 
button, press the power button until the power light flashes to display the confirmation screen.
Follow the on-screen instructions to run the Power Cleaning feature.
If you cannot run this feature, solve the problems that are displayed on the screen. Next, follow this procedure from step 1 to run this feature again.
After running this feature, run the nozzle check to make sure the nozzles are not clogged.
For details on how to run the nozzle check, see the related information below.
If print quality has not improved after running Power Cleaning, wait for at least 12 hours without printing, and then print the nozzle check pattern again. Run Print Head Cleaning or Power Cleaning again depending on the printed pattern. If quality still does not improve, contact Epson support.