A printer is an output device that prints characters, symbols and graphics on paper. printers are used in business and domestic to print the documents on paper. The printed output is called hard copy.
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Definition of Impact Printer
A printer that produces output on paper with striking a print hammer or set of pins against an inked ribbon is called impact printer. It works like a typed writer. It uses electro-mechanical technique to print output on the paper.
Definition of Non Impact Printer
A printer that produces output on paper without striking the paper is called non-impact printer. Non-impact printers use electrostatic, inkjet, laser and thermal technologies for printing.
Key Differences between Impact and Non-Impact Printers
Impact Printer | Non-Impact Printer |
It prints characters or images by striking print hammer or wheel against an inked ribbon. | It prints characters and images without striking the papers. |
| Its speed is slower. | Its speed is faster. |
| Its printing quality is lower. | Its printing quality is higher. |
| It is less expensive. | It is more expensive. |
| Today they are rarely used. | Today they are commonly used. |
| It generates noise during printing. | It does not generate noise during printing. |
| It normally uses continuous paper sheet. | It normally uses individual paper sheet. |
| Printing speed is measured in characters per minute. | Printing speed is measured in pages per minute. |
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