The Way That Printers Work

By Matthew Kerridge

A printer will produce a hard copy of any document from your computer. Printers can use paper, transparencies and other media. Printers can be connected using a cable or wireless connection. Network printers will have networking interfaces so that many different computers can connect to one printer. Many times individual printers can sometimes be used to support network connections.

A printer can be connected to your computer or laptop using a USB connection or parallel pot. Most printers also have a wireless connection options. Network printers are used for many different computers that are all connected to one printer.

There are also versions of printers that will connect directly to memory sticks, image capture devices and memory cards. There are also multiple function printers that also have photocopy functions, a fax machine and scanner. These combination printers go by the name of multifunction printers, all in one printers and multi-function devices.

The way that the document is printed also varies. Laser printers and ink jet printers are the two most common types of printers. Ink jet printers will apply the ink directly to the paper using inkjet heads or a fabric ribbon. With this type of printing the ink penetrates deep into the paper making these documents very difficult to alter. Laser printers use solid inks or toner and the ink does not penetrate the paper so these documents can be altered easily.

Laser printers can be found by color printers or just black and white printers. An LED printer will used LED rather than lasers for printing. The newest printers do not produce any air pollution or ultrafine particles that can be hazardous to your health. You can also eliminate this air pollution by having your printer in a well ventilated space.

Solid ink printers are also called phase change printers and they use heat to transfer the ink to the paper. These are sticks of ink which look like candle wax. This ink is melted and then applied using a print head. These types of printers are very good for printing on transparencies or other types of non-porous media.

A thermal printer is one type of inkless printers. A thermal printer will heat specific sections of heat sensitive paper and are used mainly on older fax machines, cash registers, gasoline dispensers and ATMs. You can even do color thermal printing if you have the right type of paper. - 29854

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