MICR ribbons are available for most makes and models of cheque encoding machines. Call today for additional information and cost comparisons. M.I.C.R (Magnetic Character Ink Recognition) ribbons typically have a shelf life of one year. To get the highest quality out of your M.I.C.R quality each ribbon should be individually packaged and stored in a dry cool environment. Dry ribbons will result in cheque rejects and potential bank fees for rejected items.