ZXP Series 8 I Series YMCKK Color Ribbon, 500 print images per roll. The ribbon is used to print in a variety of colors: yellow (Y), magenta (M), cyan (C), and black (K) on the front. The second (K) is for printing in black on the back of the card. This ribbon is used to print full-color text and images on the front and black on the back. This ribbon is compatible with the ZXP Series 8 and ZXP Series 9 Printer.