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1.前言数据通信用外围终端装置的可靠性维护,从机器总的使用寿命价格比的角度来看,近年来逐渐被重视起来。另外,为了追求系统的使用效率,用户强烈希望缩短机器空闲时间和定期维修时间。在新的机器研究中,则要求进行可靠性设计,以便及时抓住这一用户的趋向。最近,作为评价系统性能指标之一的“RAS”功能”被重视,也反映着用户要求提高可用性的愿望。印刷机的可靠性,虽然被看作如此重要的问题,但是一般地说来有关外围终端装置可靠性的报告却不多。
1. Introduction Reliability maintenance of peripheral devices for data communications has been paid more attention in recent years in view of the total cost of life of the machine. In addition, in order to pursue the use efficiency of the system, the user strongly hopes to shorten the machine idle time and the regular maintenance time. In new machine research, reliability design is required in order to capture the user’s tendencies in time. Recently, the “RAS” function, which is one of the performance indicators of the evaluation system, has been taken seriously and also reflects the user’s desire to increase the usability.Although the reliability of a printing press is regarded as such an important issue, generally speaking, Terminal device reliability report is not much.