Here are our Compatible and Genuine Okidata ribbon Cartridges for your Okidata Okimate 240 printer. All of the Compatible and Genuine seamless ribbons that we sell for your Okidata Okimate 240 go through a vigorous inspection process before they are shipped to ensure great printing results. We carry the OEM / Genuine and Compatible Okidata 52104001 Black Seamless Ribbons, which are built to handle to toughest and most demanding printing environments. We guarantee excellent print quality with our Compatible and Genuine Okidata ribbons or well refund your money within 90 days of purchase. And all of our Okidata ribbons have up to a 2 year shelf-life for definitive performance and convenience.