this utility is used to calibrate the sensitivity of gap sensor. users may have to calibrate the gap sensor for two reasons:

    1. the media is being changed to a new type.

    2. initialize the printer.

    the err. led may flash if gap sensor is not calibrated properly.

    please follow the steps below to calibrate gap sensor:

    1. turn off the printer power and install blank labels (without any logo or character) on printer.

    2. hold down the pause button then turn on printer power.

    3. release pause button when the printer feeds labels. do not turn off printer power until the printer stops and two green leds light on.