After printing is completed, the ink of the layout and plate head must be cleaned, and the ink remaining in the net pit must be cleaned with decontamination powder to prevent the ink remaining in the net pit from blocking the plate after drying.

　　Before and after the use of the plate roller, avoid touching and handling the plate roller with bare hands to prevent the oxidation of the page, especially in summer to prevent sweat droplets on the page. If the above situation occurs accidentally, the plate should be wiped with solvent immediately.

　　Summer temperature, high humidity, plate roller storage should not be placed in the plate box. When stored, the layout and plate head should be wiped clean, coated with anti-corrosion oil (to be thick), and wrapped with clean plastic film or tissue paper from the inside out (including the plate head) (isolation of the layout and air contact), placed in a ventilated, dry environment, the temperature is best controlled below 30 ° C, humidity control below 65%, and away from acid, alkali and other corrosive substances.