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You can walk into almost any office today, whether large or small, hi-tech or low tech, or even in some homes and find a fax machine. Fax (short for facsimile, which in Latin means “to create a copy”) is a modern telecommunications technology to transfer copies of documents from one place to another can be over phone lines. It is usually from a scanner, a printer and a modem. If the original document is fed into the fax machine converts the scanner in the physical document into a digital image. It sends the data to the modem, which then sends it to another device with phone lines. Finally, the printer produces the receiving end of a printed copy of the transmitted data. The fax machine was designed by Alexander Bain, a Scottish mechanic, in 1843, with his knowledge of electric clock pendulums. He used this idea to create a back and forth, row by row scanning mechanism with a pin mounted on a pendulum. This technique involves transcribing the document to be scanned into a metal plate. It was not until 1865 that the Pantelegraph, the world’s first practical fax machine was introduced to the world market. This was invented by an Italian physicist Giovanni Caselli. But the forerunner of today’s modern fax machine was the overseas radio facsimile, which was invented by Richard H. Ranger in 1924. However, his invention is not for commercial purposes was not set until after 2 years. The first picture represented by the overseas facsimile of President Calvin Coolidge was transferred from New York to London in November 1924. If you really think about it, is a fax machine a very convenient way of transferring documents from one place to another. Even if we Fed-Ex or other high-speed mail delivery service option, it is often more economical to send and receive documents with a few buttons to press. For some companies it is almost impossible to operate without a fax machine. A modern housewife to her list of food sent to the home by fax. Let’s take a look at the three most common types of machinery to receive, fax: - Machines with thermal paper. The thermal paper is with chemicals, heat react coated. It is not cheap and use a lot of supplies such as ribbons, ink or paper. However, you need to make another copy of it like, you should store it for a longer period of time because the paper is discolored after some time. Because it also reacts to heat, you should store it in a hot place, the tables are turned completely black. - Machines with inkjet or laser printer. As it suggests, it uses ink-jet or laser printer to print the received fax. An inkjet printer is any kind of printer, which produce very small droplets of ink on paper squares to make a picture. Similarly, a laser printer does the same job, but it uses a highly focused beam or laser beam. - Computer printer. A fax-modem receives the fax and data in the hard disk of the computer as a graphic file. You can then print it with your computer, the default printer.

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