Zebra ZXP Series 7 - IX Series YMCKO Color Ribbon 250 Images/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 used for printing text and full color images on one or both sides of a card. This ribbon is compatible with the ZXP Series 7 Printer.