Full Color (YMCKI) Ribbon, 500 images. The ribbon is used to print in a variety of colors: yellow (Y), magenta (M), cyan (C), and black (K) on the front of the card. The inhibitor panel (I) allows cards with front-of-card surface foils or back-of-card signature panels to be printed on without retransfer film from adhering to those areas. The inhibitor panel is mainly used for printing cards with a signature panel or magnetic stripe. This ribbon is used to print text and full color images on one or both sides of the card. Compatible with HDP5000, Hdpii. This part is also known as 084057.