日本东芝公司生产的24针汉字点阵打印机为双向逻辑寻址,有24根垂直排列的打印针,打印头结构紧密,维修方便。该打印机以微处理器8085为主要控制核心,加上RAM、ROM 和 I/O 芯片构成的汉字处理输出设备。打印操作全部由8085控制,包括数据的接收和处理、打印针的控制、走纸电机和字车电机的控制以及开关状态的检测等。它既可联机又可脱机进行打印和自检。只要接收到主机送来的打印格式命令和字符代 Toshiba company produced 24-pin Chinese character dot-matrix printer for bidirectional logic addressing, 24 vertical arrangement of the print pin, the print head structure close, easy maintenance. The printer microprocessor 8085 as the main control center, plus RAM, ROM and I / O chips constitute the Chinese character processing output device. All print operations are controlled by the 8085, including the reception and processing of data, the control of print pins, the control of the paper feed motor and the carriage motor, and the detection of the switch status. It can print and self-test both online and offline. As long as the host received the print format command and character generation