Star recommends utilizing genuine Star ribbons because they are manufactured to match the exact specifications of the printer. By using these ribbons, you can ensure that your printer will work for the longest time. The fabric used is of the highest quality to maximize print head life. The ink on the ribbons is specifically designed to lubricate the print head for optimal performance, while also providing the maximum number of characters. The Star ribbon features a clutching mechanism to ensure that a ribbon jam or failure will not damage your printer.