A printer is one of the popular peripheral devices that can be attached to the computer systems to print hard copies (images and texts) on physical materials like paper. They are very useful in a number of ways and have become an essential part of home as well as business equipment.
A standard printer typically has a print head and several other vital parts that work together to make the device function properly. These include a Power Supply, Output Trays and an Output Tray Extension, among others. A printer is also equipped with a Memory for storing the data and commands that are sent to it from the computer system to print on paper.
The printing process begins when you select the file or document you wish to print in your favorite word processor or image editor and click on the Print option. This will open a window that lets you specify various printing options, including the number of prints, and then choose the Print button to send your request to the printer.
Depending on the type of printer you have, it will then use one of many different printing technologies to produce text or images onto flat media such as paper in a variety of sizes. For example, inkjet printers create images by precisely spraying thousands of tiny drops of ink across the paper, just as TV and computer screens render images through clusters of thousands of pixels. Laser printers, on the other hand, transfer dyes and resins directly to a flexible film on which the paper is placed. This allows for the printing of high-security cards such as smart chips and ridges caused by internal RFID antennae.
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