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Wireless LAN (Wi-Fi) Connections Become Unstable When Using USB 3.0 Devices on a Mac

When you connect a device to the USB 3.0 port on a Mac, radio frequency interference may occur. Try the following if you cannot connect to wireless LAN (Wi-Fi) or if operations become unstable.

  • Place the device that is connected to the USB 3.0 port further away from the computer.

  • If the printer supports the 5 GHz frequency range, connect to the SSID for the 5 GHz range.