A method and system for learning network information through a plurality of network devices is provided. The device has a microcontroller, which is assigned at least one clock generator and one memory unit, and which is connected at least to one data source, which is designed to output a data bit-stream to be transmitted. The ink ejecting sections include a first ink ejecting section that is set to eject ink for printing a highlight region in the image, and a second ink ejecting section that is set not to eject the ink for printing the highlight region in the image.