我们经常遇到的打印头硬故障——打印针断、驱动线圈被烧等,通常用完好的针或线圈更换已坏的打印针或驱动线圈来解决。用这种方法排除故障的技术人员必须要了解打印头的原理、结构、更换事项,操作要熟练,且有备份的完好器件,更换既繁琐又费时,如果稍不注意,还会带来麻烦,往往因某根针断或某线圈被烧而影响工作。 We often encounter the hard head of the print head - the print pin is broken, the drive coil is burned, etc., usually with a good needle or coil replacement has been bad print pin or drive coil to solve. Technicians who troubleshoot with this method must understand the principle, structure, replacement of the print head, the skilled operation, and the intact device with backup. The replacement is cumbersome and time-consuming. If it is not noticeable, it will also bring trouble. Often due to a needle or a coil is burned and affect the work.