Used for items like receipts. Has no marks to define print length.
Has black lines, black marks, notches, or holes to define the print length for each printed item.
Uses the sensor to look through the media backing (liner) to see the beginning and end of labels on the roll.
Center area transmissive sensing
For continuous media and gap/web label media.
Half-width movable (reflective) sensing
To sense print format (length) using the black marks, black lines, notches, or holes present on the media.