The color printing of night cursors should pay attention to the low-temperature (such as 100 ℃ × 10 minutes) drying for each color. As long as it is not sticky, the last color should be thoroughly dried at> 150 ℃ after screen printing. This rule, otherwise, each color will be dried completely, and there will be insufficient adhesion between layers. It is worth noting that the screen-printed color spray-painted face plate and the spray-painted layer on the front-screen and screen-printed front plate should be less than 100% dry, otherwise the paint on the spray-painted surface will crystallize and affect the firm adhesion of the color ink and the baking paint. After drying the ink after the last color, the paint layer of the face plate is completely dried.