Fargo 45000 color ribbon - ymcko - 250 prints description fargo 45000 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 layer. Fargo 45000 ribbons are used for printing a combination of full-color images and one-color text or barcodes. The fargo 45000 color ribbon includes a cleaning roller and can be used with fargo dtc1000 and 1250e card printers.