The connection fails when I set up a Wi-Fi Infrastructure Connection. What should I do?

• Android:
  Try setting it up again. Select your scanner, then tap Setup. Tap Wi-Fi Infrastructure Connection, then follow the on-screen instructions. If this does not help, contact Epson support.
  
  iOS:
  Try setting it up again. Tap , then Setup. Tap Wi-Fi Infrastructure Connection, then follow the on-screen instructions. If this does not help, contact Epson support