To set up successfully the printer, please follow these steps:
Connect your iPad to the printer by plugging the Wifi cable and the power cable into the Wifi port and the Power terminal
You must connect the Wifi in the iPad that is the same as the Wifi for the printer
After connecting the iPad and the printer with the same Wifi, you will be able to use the printer without any configuration.
Ex: The below picture is an example of setting up successfully the printer with iPad