- Y = Yellow dye sublimation panel
- M = Magenta dye sublimation panel
- C = Cyan dye sublimation panel
- K = Black resin panel
- O = Overlay panel
YMC, YMCK, YMCKO Ribbons: What’s the Difference?
ID card printers typically use ribbons that are sectioned into a number of panels. The panel types vary and can be a little confusing if you're not sure of the different types. The panels on dye-sublimation ribbons are represented in their name or descriptions by letters, most commonly including: