Full Color (YMCKO) Half Panel Ribbon, 850 images per roll. The ribbon is used to print in a variety of colors: yellow (Y), magenta (M), cyan (C), and black (K). The remaining overlay (O) provides an extra layer of protection for the card. This ribbon is used to print text and full color images one or both sides of the card. CCompatible with DTC4500, DTC4500e. This part is also known as 045214.