See links below for examples of different Media Types:
Continuous Media The media sensor does not detect label length and will only monitor for a media out or paper out condition. There are no top-of-form indicators with Continuous Media.
Non-Continuous WebThis media is referred to as the Non-Continuous Web. Select the sensor that is used for Gap or Web media.
Non-Continuous Mark(Black Mark Sensor) Use the reflective sensor to sense the black mark.
Non-Continuous Notched or HoleUse the gap or web sensor positioning the sensor over the notch or hole.
Helpful Information: