Datalogic has introduced launched colour mark sensor for quick and accurate setting .Microprocessor technology into its new print registration head, tlp for quick and accurate setting. The manual multi-turn potentiometer has been replaced with 2 simple pushbuttons [mark and background]. Tlp automatically selects the best emission colour and the output pulse directions. The colour mark sensor device replaces traditional analogue circuits with digital technology for enhanced sensitivity, stability and fast switching speed.