ZXP Series 1 Load-N-Go YMCKO Colour Ribbon 100 Images/roll. The ribbon is used to print in a variety of colours: yellow (Y), magenta (M), cyan (C), and black (K). The remaining overlay (O) provides an extra layer of protection for the card. This card is used to print colour on one side of a card. This ribbon is compatible with the ZXP Series 1 Printer.