The disadvantages of inkjet printers are: the printing speed is slow. Quality and speed are always a pair of contradictions that are difficult to reconcile. The higher the precision required, the more dots need to be printed, and the slower the printing speed. Although increasing the number of nozzles can increase the printing speed, the larger the number of nozzles, the larger the size of the nozzle. This not only increases the chance of nozzle clogging, but also increases the burden of mechanical operation, thereby greatly reducing the reliability of the printer. Prone to ink-related problems such as horizontal printing, color cast, and nozzle clogging. Ink is made of chemical substances. Water is a favorable condition for chemical changes of chemical substances. It is unavoidable that it will be affected by light, ultraviolet rays and air. To ensure the smooth performance of the ink, and to ensure that the saturation of the color meets the needs, is also a pair of contradictions that are difficult and easy to solve. Once the ink is mixed with air to form bubbles, it will affect the normal ejection of the ink. Or chemical changes in the ink will cause color cast. Or ink impurities can cause nozzle clogging and so on.
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