Magicard MC600KO Monochrome Ribbon for the Magicard 300 ID Card Printer, 600 PrintsThe MC600KO is the monochrome ribbon Magicard made for the Magicard 300 ID card printer (Magicard part no. MC600KO 2). Each roll prints 600 black ID cards. KO stands for the two panels on this ribbon: K (resin black) and Overlay. The black panel prints sharp, durable text, barcodes, and graphics. The Overlay panel bonds a clear protective coat to every card. What You Get 600 prints per roll: Sharp black text, barcodes, and graphics with overlay