When the print quality deteriorates over time, you can run a printhead cleaning cycle to restore the print quality to the factory default. There are two ways to perform how to clean the printhead of Epson printer process. The first one involves running it from the Epson machine’s control panel. The second method is to run the cycle from your computer’s printhead cleaning utility.
How to Clean the Print Head of Epson Printer - This is how you can run the printhead cleaning cycle from the computer’s Epson printer head cleaning utility.
Ensure that there is paper in the Epson WF-3620 printer’s cassette. Also, if any error LEDs are blinking, resolve the issue, and then proceed to the next step.
To access the Epson printer driver from a Windows application
From the Windows Start menu