xerographic printer

简明释义

静电复印机

英英释义

例句

1.The office decided to invest in a new xerographic printer for better quality documents.

办公室决定投资一台新的激光打印机以提高文件质量。

2.The xerographic printer is ideal for high-volume printing tasks.

这台激光打印机非常适合高容量打印任务。

3.She was impressed by how quickly the xerographic printer produced copies of the report.

她对激光打印机快速制作报告副本的能力印象深刻。

4.Our school has several xerographic printers available for student use.

我们学校有几台供学生使用的激光打印机。

5.Using a xerographic printer can significantly reduce printing costs in the long run.

使用激光打印机可以在长期内显著降低打印成本。

作文

In today's digital age, the role of printing technology remains significant. One of the most commonly used devices in both offices and homes is the xerographic printer. A xerographic printer (激光打印机) operates on a process called xerography, which was developed in the late 1930s by Chester Carlson. This technology has revolutionized the way we produce printed materials, making it faster and more efficient than traditional printing methods. The principle behind a xerographic printer involves several key steps. First, a laser beam creates an image on a photosensitive drum, which is coated with a material that reacts to light. The areas exposed to the laser become electrically charged, while the unexposed areas remain neutral. This process allows for the creation of a detailed image that can then be transferred onto paper. Once the image is formed, toner, which is a fine powder made up of plastic particles and pigment, is applied to the drum. The toner adheres only to the charged areas, effectively creating the image that will be printed. The paper is then fed through the printer, where heat and pressure are applied to fuse the toner to the paper, resulting in a high-quality printout. One of the major advantages of using a xerographic printer is its speed. These printers can produce a large number of pages per minute, making them ideal for busy office environments where time is of the essence. Additionally, they are known for their reliability and the quality of the prints they produce. The ability to print sharp text and detailed images makes them a preferred choice for many businesses. Cost efficiency is another important factor. While the initial investment in a xerographic printer might be higher than that of inkjet printers, the long-term savings can be substantial. Toner cartridges tend to last longer than ink cartridges, and the cost per page is often lower. This makes them a more economical option for high-volume printing tasks. However, it's also important to consider the drawbacks of xerographic printers. For instance, they may not perform as well when printing color documents compared to dedicated color printers. The color reproduction can sometimes be less vibrant, which might not meet the needs of those who require high-quality color prints. Furthermore, maintenance can be more complex, requiring specialized knowledge or service support. In conclusion, the xerographic printer (激光打印机) has played a crucial role in modern printing technology. Its speed, efficiency, and cost-effectiveness make it a valuable tool in many settings. As technology continues to evolve, we can expect further advancements in printing methods, but the fundamental principles of xerography will likely remain relevant for years to come. Understanding how a xerographic printer works and its benefits can help individuals and businesses make informed decisions about their printing needs.