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一、针式打印机的结构 针式打印机是由微型计算机、精密机械和电气构成的机电一体化智能设备。其结构框图如图1所示,它可以慨括性地划分为打印机械装置和电路两大部分。 打印机械装置:主要包括打印头、字车机构、色带机构和走纸机构,另外还有机壳和机架。 电路:主要由控制电路、驱动电路、打印机状态检测电路、DIP开关、操作面板电路、接口和电源等组成。 二、打印机械装置 1.打印头
First, the structure of the needle printer Dot matrix printer is a microcomputer, precision machinery and electrical composition of the mechanical and electrical integration of intelligent devices. The block diagram shown in Figure 1, it can be generously divided into two parts printing machinery and circuits. Printing machinery: Mainly include print head, carriage, carriage and paper feeding mechanism, as well as chassis and frame. Circuit: Mainly by the control circuit, drive circuit, the printer status detection circuit, DIP switches, the operation panel circuit, interface and power supply and other components. Second, printing machinery 1. Print head