一、打印机易出的故障点阵式打印机最易出的故障是卡纸、卡色带和断针。卡纸的原因有四个:一是操作不当,打印头与滚筒间的间隙调节不当,或是进纸健按乱了套,或是在打印机与主机联机后,错误地使用了手动卷轴旋钮走纸;二是橡胶滚筒过脏;三是纸太薄并且纸张退出过程中,没有及时将纸头从打印机中取出,使刚 First, the printer prone to failure Dot matrix printer is the easiest fault is the cardboard, card ribbon and broken needle. There are four reasons for jamming: First, improper operation, improper adjustment of the gap between the print head and the roller, or jamming of the fed roller, or the manual use of the rotary knob by mistake after the printer is connected to the main unit Paper; the second is too dirty rubber roller; third is too thin paper and paper exit process, there is no timely removal of the paper from the printer, so that just