针式打印机以其结构结实,适合高强度打印,并且价格低廉而深受广大计算机用户的青睐。由于其使用率较高,故障现象也就比较多。在多数打印机故障中,使用不当造成的故障占有相当大的比例。所以减少打印机故障的发生,延长其使用寿命,必须学会正确保养与维护针式打印机。在针式打印机中,打印头是其中的关键部件,打印头中的打印钢针是用很细的 Dot matrix printer with its strong structure, suitable for high-intensity printing, and low prices by the majority of computer users of all ages. Because of its high usage, the fault phenomenon is more. In most printer malfunctions, failures caused by misuse can account for a significant percentage. Therefore, to reduce the occurrence of printer failure and prolong its service life, we must learn to properly maintain and maintain the dot matrix printer. In the stylus printer, the print head is one of the key components, the print head in the print pin is very thin