Troubleshooting is a systematic way of identifying and resolving printer problems. Most of the printer problems occur due to incomplete installation and improper maintenance. Use the Epson WF-7620 troubleshooting steps to resolve the issue easily. Turn on the printer and navigate to the control panel. Press the Home button and select the Setup option. Scroll down the page and choose System Administration. If prompted, enter your administrator's password. Select the Restore Default Settings option and choose Clear All Data and Settings. If you need to confirm, select Yes to reset your printer.