I've not heard of anybody using  MICR ( Magnetic Ink Character Recognition) toner for for decals, but it has always seemed like a good idea: guaranteed very high iron content, and its not going to suddenly switch to an iron-free formula. You might want to glance at their site before you phone, to get the most out of the call. Range of printer manufacturers supported and explanation of what MICR toner is: https://www.lasercartridgeplus.com/micr-toners.html Explanation (down the page) o