随着通信技术的发展，不少家庭都购置了传真机，有些用户因对它的功能不甚了解，仅仅将它当作远距离复印机使用。其实，传真机有许多功能可供开发。自动检测（诊断）功能当机器出现故障时，能自动显示故障现象和部位。例如，当发送文稿或记录纸出现卡纸现象时，机上除了有文字? With the development of communication technology, many families have purchased a fax machine. Some users do not know much about its function and use it as a remote copier only. In fact, fax machines have many features for development. Automatic detection (diagnosis) function When the machine fails, it can automatically display the fault phenomenon and location. For example, when there is a paper jam in sending a document or recording paper, is there a text on the machine?