**传真机的工作原理与日常维护** **一、工作原理** 传真机是一种将文字、图像等通过电子信号传输到接收设备上的通信工具。其工作原理主要涉及扫描、调制解调以及接收还原三个步骤。 1. 扫描：发送端将需要传送的文件通过扫描仪进行扫描，将文件转化为连续的电子信号。 2. 调制解调：这一步骤涉及到对信号的处理和编码。传真的模拟信号首先会被编码器（通常采用不同的调频和脉冲技术）编码，使之适应电信通道。信号传输至接收端时，需要通过解调器将这些信号从模拟形式转换回原始的数字形式。 3. 接收还原：接收端接收到信号后，通过解调器将信号还原为原始的图像或文字信息，并打印出来。 **二、日常维护** 1. 清洁与保养：保持传真机的清洁，定期使用无绒布或柔软的湿布清洁外壳和传真机的玻璃面板。内部清洁也需要定期进行，确保传真机内部没有灰尘和杂物。 2. 纸张与墨粉：使用高质量的传真纸和墨粉可以保证传真的清晰度。同时，要定期检查墨粉和纸张的剩余量，及时更换。 3. 定期检查：定期检查传真机的各项功能是否正常，如扫描、打印、发送和接收等。如有异常情况，应及时联系专业人员进行维修。

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4. 电源与连接：确保传真机有稳定的电源供应，并定期检查电源线是否损坏或老化。此外，要确保连接线路畅通无阻，避免因线路问题导致传真失败。 5. 储存空间：如果传真机是自动接收文件并储存的，要定期清理储存空间，删除不再需要的文件，确保有足够的空间接收新的文件。 **三、翻译成英文** **Fax Machine's Operating Principles and Daily Maintenance**

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**Operating Principles**: A fax machine is a communication tool that can transmit text, images, and other information to a receiving device through electronic signals. Its operation mainly involves three steps: scanning, modulation/demodulation, and receiving/restoring. 1. Scanning: The document to be transmitted is scanned by the sender's scanner and converted into a continuous electronic signal. 2. Modulation/Demodulation: This step involves the processing and encoding of signals. The analog signal of the fax is first encoded by an encoder (often using different frequency modulation and pulse techniques) to adapt to the telecommunications channel. When the signal reaches the receiving end, a demodulator is used to convert these signals back from analog form to their original digital form. 3. Receiving/Restoring: After receiving the signal, the receiver restores the original image or text information through a demodulator and prints it out. **Daily Maintenance**: 1. Cleaning and Maintenance: Keep the fax machine clean and regularly use a non-abrasive cloth or soft damp cloth to clean the housing and the glass panel of the fax machine. Internal cleaning should also be performed periodically to ensure that there is no dust or debris inside the fax machine. 2. Paper and Ink: Using high-quality fax paper and ink ensures the clarity of the transmission. Regularly check the remaining amount of ink and paper and replace them promptly when needed. 3. Regular Checks: Regularly check the functionality of the fax machine, such as scanning, printing, sending, and receiving. If there are any abnormalities, contact a professional for repair in a timely manner. 4. Power Supply and Connection: Ensure that the fax machine has a stable power supply and regularly check if the power cord is damaged or aged. Additionally, ensure that the connection lines are unobstructed to avoid fax failures due to line issues. 5. Storage Space: If the fax machine automatically receives and stores files, regularly clear storage space by deleting files that are no longer needed to ensure enough space for new files.