Impact Printer/Dot Matrix Printer
- It Prints characters or images by striking print hammer or wheel against an inked ribbon
- Its speed is slower .
- Its printing quality is lower.
- It normally uses continouus paper sheet .
- It generate noise during printing.
- It uses inked ribbon for printing .
- It is less expensive.
- Dot matrix is an impact printer
Non impact printer/Laser printer
- it prints character and images without striking the paper.
- its speed is faster.
- its printing quality is higher.
- it normally uses individuals paper sheet
- it does not generate noise during printing.
- it uses toner for printing
- it is more expensive.
- laser printer is a non impact printer.