**传真机的工作原理与功能介绍** 一、工作原理 传真机是一种能够通过电话线路将文件、图像等信息从一地传输到另一地的设备。其工作原理主要基于扫描和打印技术的结合。 1. 扫描过程：传真机首先通过扫描仪将原始文档转化为电子信号。这一过程通过光电转换原理，将文档上的文字和图像转化为电信号。 2. 调制解调：将扫描得到的电子信号进行调制，将其转化为可以在电话线路上传输的频率信号。这个过程涉及到数字信号的调制，使信号能在传输过程中保持稳定。 3. 传输：经过调制的信号通过电话线路传输到目标传真机。 4. 解调和打印：接收端传真机接收到信号后，进行解调，将频率信号还原为原始的电子信号。然后，这些信号被传送到热敏打印机或喷墨打印机上，最终打印出原始文档的副本。 二、功能介绍 传真机的主要功能是实现远程文档传输，其具体功能如下： 1. 文档传输：用户可以通过传真机将文件、图片等文档从一地传输到另一地，实现远程办公和文件交换。

2. 自动拨号：部分高级传真机具备自动拨号功能，可以自动拨打接收方的电话号码，省去手动拨号的步骤。

【其它元器件】【请先议价】FURUNO 船用通讯设备 古野Fax-207气象传真机 船售价：79.00元 领券价：79元 邮费：480.00

3. 错误纠正：一些传真机具有错误纠正功能，能够在传输过程中检测并纠正错误，提高传输的准确性。 4. 黑白/彩色传输：根据传真机的类型和配置，可以传输黑白或彩色的文档。 5. 存储功能：部分传真机具有内存存储功能，当传真接收方忙线时，可以暂时存储传真信息，待空闲时再打印。 6. 安全加密：部分高端传真机支持安全加密功能，确保传输的文档信息不被泄露。 **Fax Machine's Working Principle and Function Introduction** **Working Principle** A fax machine is a device that can transmit documents, images, and other information from one place to another through telephone lines. Its working principle is mainly based on the combination of scanning and printing technologies. 1. Scanning Process: The fax machine first converts the original document into electronic signals through a scanner. This process involves converting the text and images on the document into electrical signals through the principle of photoelectric conversion. 2. Modem Process: The scanned electronic signals are modulated and converted into frequency signals that can be transmitted over the telephone line. This process involves the modulation of digital signals to maintain stability during transmission. 3. Transmission: The modulated signal is transmitted to the destination fax machine through the telephone line. 4. Demodulation and Printing: After receiving the signal, the receiving fax machine demodulates it, restoring the original electronic signal. Then these signals are sent to a thermal printer or inkjet printer to finally print a copy of the original document. **Function Introduction** The main function of a fax machine is to achieve remote document transmission. Its specific functions are as follows: 1. Document Transmission: Users can transmit files, pictures, and other documents from one place to another through a fax machine, realizing remote office and file exchange. 2. Automatic Dialing: Some advanced fax machines have automatic dialing functions, which can automatically call the recipient's phone number, saving the step of manual dialing. 3. Error Correction: Some fax machines have error correction functions that can detect and correct errors during transmission to improve transmission accuracy. 4. Black and White/Color Transmission: Depending on the type and configuration of the fax machine, black and white or color documents can be transmitted. 5. Storage Function: Some fax machines have memory storage functions that temporarily store fax information when the recipient is busy, and print it when they are free. 6. Security Encryption: Some high-end fax machines support security encryption functions to ensure that transmitted document information is not leaked.