Magicard Dye Film and Cleaning Spool Kit, SW300YMCKO Image Prints, YMCKO full color ribbon 300 prints Full colour ribbon for Magicard Rio Pro or Enduro printer machines. Suitable for lower print volumes as the per-card cost is higher. If you’re printing loads of cards buy the 300 print ribbon. Compatible with the Magicard 300 Single Sided and Dual Sided Overview Magicard SW300YMCKO YMCKO ribbons consist of yellow (Y), magenta (M) and cyan (C) panels for printing a full spectrum of colors by combining the colors using varying degrees of heat. The K panel is a black resin panel, typically used for printing text and barcodes and the O panel is a thin, clear protective overlay.