Compatible IDP Black Printer Ribbon with Overlay 650655-KO(SMART 30 and 50 series)-600 Prints/Roll Feature: Compatible Model Number: 650655 Images (Yiled) : 600Cards Images Compatible Brand:IDP Printer Type: Smart 30 Series, Smart 50 Series Place of Origin: Korea Brand: REAL COLORS Perfect for printing monochrome cards, this printer ribbon features two panels: one for printing in black and one overlay panel for a thin layer of protection for the card. Known as a KO ribbon ("K" for black, "O" for overlay), this ribbon is among the most common types of printer ribbon. Each ribbon has 600 imprints, meaning a single ribbon will be capable of handling most average-sized badging operations. The ribbon's black panels can be used to text, monochrome images, barcodes and more. This ribbon is compatible with all SMART 30 and 50 series printers.