With the development of printing technology, printing technology has become more and more abundant. However, there will be uneven ink color in printing. What is the reason?
1. Sometimes, human negligence may lead to inaccurate measurement of backing paper pressure when changing blanket. This situation has little impact on the printing of general live parts, but the large flat screen live parts are "delicate", and any improper adjustment will be directly reflected on the printing. Therefore, we started printing again after replacing the new backing paper, but the uneven ink color of the printed matter still exists, so this reason is ruled out.
2. After carefully observing the paper, it is found that the cloth grain of the body part of the paper is coarser than that of the outside, and the cloth grain coating is uneven. When viewed from the side from a 45 ° angle of view, the uneven coating phenomenon is very obvious, so the paper is turned around and printed, and it is found that the uneven ink color is transferred to the other side. Therefore, it can be judged that the main reason for the ink unevenness of printed products is the uneven coating of paper fabric. Therefore, after contacting the material department to replace the paper, the ink unevenness disappears immediately.
3. If the blanket is used for a long time, it is prone to aging, or some parts are pressed for a long time, resulting in uneven pressure of the blanket, which may lead to uneven ink color of the printed products. Therefore, we replaced a new blanket and started printing again, but the fault still exists, so this reason is eliminated.
The above is the reason for the uneven ink color of printed matter. In addition, most of the prepress equipment is composed of advanced electrical components and integrated circuits, which is particularly sensitive to temperature and humidity. Too high and too low temperature and humidity will affect the service life of the equipment. Too high temperature will affect the heat dissipation of the equipment, and too low temperature may cause the equipment to preheat for a long time and affect the use.濟南印刷廠講解的內容 更多的內容 請咨詢公司官網http://www.703248.com/