Zebra 800015-845 YMCK 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 friction resistan black resin panel, typically used for printing text and barcodes.For use with Zebra P620 and Atlantek 85DSL printers. The Zebra 800015-845 ribbon is equivalent to Atlantek part number 202236-1