Built from scratch in an effort to match the quality of original OKI 01126301 ribbons, our compatible alternatives proudly boast the same incredible character yield of 4,000,000. Each of these compatible OKI 1126301 black fabric ribbons comes fully guaranteed and is also compatible with a variety of dot-matrix printers (including the Microline ML5521).No matter what machine you are running we are confident that you will love our compatible alternative to the OKI 01126301 black fabric ink ribbon.