Specific phenomenon: at the edge of the paper blanket surface wear caused by: Nature: local printing pressure phenomenon: paper scraps, paper powder and fillers piled on the edge of the blanket, resulting in paper, the printing pressure at the edge of the sheet is local too large, so that the blanket by excessive friction and damage. Solution: The Essence: to reduce and uniform printing pressure practices: timely cleaning blanket, remove paper scraps, paper powder, has been printed on the edge of the blanket, you can use the rotation method.