Check the following:

1. Check that the Bluetooth and Wi-Fi indicator (  ) is lit in blue.
   If the Bluetooth and Wi-Fi indicator is flashing or turned off, the Wi-Fi connection is not established.  To establish a Wi-Fi connection, refer to "How do I connect the printer to my computer via Wi-Fi^®?".
   
2. Check the Wi-Fi settings.
   Consult with the network administrator and specify the Wi-Fi settings correctly in the Printer Setting Tool.