A multifunction printer connects to a controlled device via a proximity network link. The multifunction printer is connected as a master of the controlled device. The multifunction printer connects with a mobile device via a Bluetooth link, such that the mobile device is connected as a master of the multifunction printer. The mobile device is authenticated to determine credentials and access permissions relative to the controlled device. The mobile device's access to the controlled device is controlled from the multifunction printer via the Bluetooth link based on the credentials and access permissions.