203 Rubber Roller Cleaner Cleans and gives new life to ink-laden, hardened rollers and blankets in the printshop as well as removing the difficult soil on copier machine covers and flaps. No. 203 removes glaze resulting from gum, friction, ink, coatings, oxidation and light embossing. It restores a velvety smooth surface and makes product more efficient." In the printshop - spray rubber rollers while machine is running. Rollers should be cleaned regularly or after heavy use to help prolong their life. To keep copiers clean and productive, simply spray the copier cover/flap with No. 203 and wipe off with a clean, absorbent cloth to remove soil.