Compatible Zebra 800077-749 Color Ribbon 250 Images (YMCKO-K) Feature: Compatible Model Number: 800077-749 Color:YMCKO-K Images (Yiled) : 250 Cards Images Compatible Brand: Zebra Printer Type: Compatible with ZXP Series 7 Zebra Card Printers Place of Origin: Korea Brand: REAL COLORS Zebra ix series 800077-749 YMCKOK 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 and the O panel is a thin, clear protective overlay. The two K panels are black resin, typically used for printing text and barcodes. Zebra ix series 800077-749 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. Note: Black resin is needed to print readable barcodes.