Q32. Write brief notes on each of the following types of printer. Make clear the difference between them in terms of speed, cost and method of operation and suggest suitable applications.
- Inkjet Printer,
- Dot Matrix Printer,
- Laser Printer.
- Inkjet Printer: An inkjet printer is any printer that fires extremely small deposit of ink onto the paper to create impression text on image.Inkjet printer can print 6 pages a minute.
Cost for basic inkjet printer is approximately USD 100-150
More commonly used for homes as the unit is smaller and ink is cheaper.
- Dot Matrix Printer:
Dot Matrix printers is a type of printer that produces documents by having a printer head run back and forth and strike against an ink soaked ribbon to produce characters.
Dot Matrix Printer can print 30-550 characters per second.
Basic cost of dot matrix printer is quite expensive. Compared to an inkjet, dot matrix can cost between two to ten times more.
It is Used to be used for office uses, but now only used by select places such as banks.
- Laser Printer:This printer makes use of office copier technologies.
The desired output image is written on a copier drum with the help of a light beam controlled by a computer. With this certain parts of the drum surface gets electrically charged, then this drum surface is exposed to a laser beam. This laser exposed area attracts a toner that forms the image itself.
Laser Printer can print 20 pages a minute.
Cost for basic printer is approximately USD 60-1000, depending on the size and use of the printer.
It is most commonly used for commercial purposes and places that require black and white printing.