Turn to the Bluetooth printer or scanner and make it discoverable. Just how to make the Bluetooth printer or scanner discoverable depends on the device. To learn the way to make the Bluetooth printer or scanner discoverable, check the device's documentation or check out the manufacturer's website. Legacy pairing: https://www.bluetoothspeaker.top/hot-sale-5-0-bluetooth-speakers-smart-speakers-immersion-high-quality-speakers/