Fargo 44240 Color Ribbon - YMCKOK - 200 prints The Fargo 44240 YMCKOK ribbons are made of 6 panels: Yellow (Y), Magenta (M) and Cyan (C) panels for printing a full spectrum of colors by combining the colors using varying degrees of heat, and the O panel is a thin, clear protective overlay. The two K panels are black resin, typically used for printing text and barcodes. Fargo 44240 YMCKOK ribbons are for dual-sided printing, with YMC, the first K panel and O panel printing on the front side, the second K panel prints on the back side of the card. The Fargo 44240 color ribbon includes a cleaning roller and can be used with Fargo DTC400 and DTC400e card printers.