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在针式打印机的维修过程中,更换针是一项难度较大的工作,换针时,若不小心,就会造成所有针散落。但是只要认真观察打印头的结构及针的排列顺序和特点,细致地操作,不必找专门的维修人员,也可自行为打印机换针。本文以TH3070打印头为例,介绍将打印针全散后重装的一些技巧。 TH3070打印头共有24根针,针尾呈圆形分布,每半圆形成一排,针尖经一个导向板排成两排。由于每根针的长短、粗细都相同,装针时可随意取针,逐根安装。首先卸下尾部压
In the stylus printer repair process, the replacement needle is a more difficult job, change the needle, if not careful, it will cause all the needle scattered. However, as long as careful observation of the structure of the print head and pin arrangement order and features, meticulous operation, do not have to find a dedicated maintenance staff, but also for their own printer for the needle. In this paper, TH3070 print head, for example, introduces some of the tips after the print needle is completely reshaped. The TH3070 print head has a total of 24 needles, which are circularly arranged at the ends of the needles. Each semi-circle forms a row. The tips are arranged in two rows by a guide plate. As the length of each needle, the same thickness, when the needle can be arbitrarily take the needle, the root installation. First remove the tail pressure