本刊上期从预防的角度介绍了解决LQ1600K针式打印机故障的六种方法之后,很多同行来函提出一些新的疑议,根据需要统一说明和进一步分析,本文将从打印头的结构和原理的角度分析如何排除打印机的常见故障,希望对大家有所帮助。打印头有24根针,交错排成两列,每列12根针,每个打印针被各自的驱动线圈驱动。从外观看,有散热片、驱动线路板、打印针、针导向板等。打印头的基本工作方式如下: This issue period from the perspective of prevention introduced six methods to solve the LQ1600K stylus printer failure, many colleagues raised some new communications letter of doubt, according to the need for a unified description and further analysis, this paper will print head structure and principle point of view Analysis of how to troubleshoot the common printer failure, I hope everyone can help. The printhead has 24 needles staggered in two columns of 12 needles, each of which is driven by its own drive coil. Seen from the outside, there are fins, drive circuit boards, print pins, pin guides and so on. The basic working mode of the print head is as follows: