What is printer?

Printer is electronic device that used convert digital data to hardcopy There are two type of printer Impact and Non-Impact What does Impact mean it is type of printer that print data by making direct contact with paper. There are three most common type of impact printer 1)Desk Jet 2)Bubble Jet 3)Ink Jet Those printer use ink cartridge to write data to paper and they don’t have fixing unit can print 9-13paper per minute with heating of ink Non-Impact This type of printer print data without direct contact with paper There aretwo well known types of Non-impact printer

1. LaserJet
2. Beam jet

Those printer use toner cartilage to printer the datawith fixing unitof tempreture 180dgree calcius They have capabilities of printing 20-62paper per minute with charging of paper There are

(6)six Main parts of Laser Jet printer

1. Laser writer beamer
2. Toner cartilage
3. Transfer charger
4. Fixing unit
5. Paper feeding parts
6. Electrical parts