Waffletechnology Adhesive Remover Cleaning Pen (12/box) - KT-PJC2B12AR This product features patented Evanish solution that effectively breaks down dirt and debris in the card path and on thread head for effective cleaning; safe to use on electronic components. Printers become dirty from "paper dust" and adhesives as well as environmental contaminants such as airborne grease particles. Cards clean the print head and any build-up on the printer's Rollers. Clean your label printer (or other devices) with every media roll change or at least twice per month. Clean when experiencing read failures, misreads, poor print or image quality Use on Print heads and other interior surfaces of the printer