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When the gasket is uneven and the pressure is not uniform or insufficient, poor contact may occur between the printing plate and the rubber, between the blanket cylinder and the impression cylinder, or between the plate and the pad (the relief process), which affects the layout of the ink layer. Uniform and full transfer, which will easily lead to the lack of pressure on the layout of the ink fade, hair phenomenon. In order to avoid this bad situation, it is necessary to protect the surface of the impression cylinder to prevent it from being deformed and lose its flatness, and to maintain a uniform and sufficient printing pressure. This is an effective measure to eliminate ink coloring of printed products.
Carton preprint quality problems explain the fifth
Fifth, the ink color problem caused by printing pressure does not cause: