A printer is an is an output device that can make texts and graphics on paper with the help of ink. Furthermore a printer is an external device connected to another digital device, to print out anything shown on the screen of the digital device, which it must have been instructed to print out. Printers transfer images from the system to a surface using little pixels. The most popularly used printers are inkjet and laser printers and they are normally connected to a personal computer. Few printers print out only black and white graphics and texts while most of the produce coloured images.
Uses of a printer
Printers have various important uses both in the home and in offices. Some common uses of printers are; 1. Some printers, print out images on ordinary or glossy paper, like coloured pictures from computers, digital cameras, phones 2. Multi functional printers act as fax machines, scanner, telephone and normal printer.
Types of printers
In order to choose the perfect printer for the organization we have to know the various types of printers, their functions and their advantages and disadvantages. There are many types of printers but they are divided into two major parts; impact and non-impact printers.
Impact printers
Impact printer are printers that produce text or graphics on paper by impacting on paper, that is it forms characters by tiny pins striking against the ink ribbon. This is more of a mechanical process just like a type writer. Impact printers are noisy by nature because of the continuous striking of the printer head on paper.
Advantages of Impact printers 1. Impact printers are usually cheaper than other types of printers. 2. Some impact printers are fast. 3. Impact printers can print plenty copies at a time on a multipart paper.
Disadvantages of Impact printers 1. Impact printers are generally noisy. 2. Some types of impact printers have low quality print. 3. Impact printers also produce
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