On the printer’s control panel, select the network name (SSID) that uses a 2.4 GHz band, and then press the OK button.

Note:
If you are using the access point (wireless router) with its default settings, select the network name (SSID) displayed on the printer’s control panel that has "_G" at the end. If you cannot acquire the network name (SSID), check the information for the access point (wireless router).
If the SSID is not displayed, press the , enter the network name (SSID) that uses a 2.4 GHz band, select OK and then press the OK button.