Wi-Fi Connection is unavailable during the initial setup. - If the wireless router has the option for "Client Separation", disabling this option may help . To determine if your router has this option and for instructions on how to disable it, refer to the user manual for your router, or contact your router's manufacturer.
Adding the Second and Following Printer If your model has color LCD monitor/If your model has monochrome LCD monitor If your model has no LCD monitor/If you are using TR4500 series or PRO-1000 series