When a heat-sensitive carbon ribbon comes in close contact with the thermal print head, it melts onto the label and ‘transfers’ ink onto the label material, producing the image on the surface.
How to Choose the Right Type of Thermal Transfer Ribbon
Also, when opposed to thermal direct, thermal transfer ribbon roll produces a permanent, crisp print that is more durable, making it excellent for long-term product labeling as well as products stored outdoors or in direct sunlight. Thermal Transfer labels are more durable than regular labels, making them less prone to scratching or fading.
