How to clean the coating machine? Cleaning of the knife head of the coating machine (suitable for changing the glue model and coating method): Wipe with dry gauze after the equipment is heated. Coat the roller in the composite position; use clean dry gauze to wipe the surface dust; if there is glue on the surface, do not use organic solvents to avoid damage to the rubber roller, and use a strong curing adhesive to remove it.