Question

explain all types of printers

Answer 1

Where are basically two types of printer impact printer and non-impact printer impact printer stabilize a mechanical contact between printhead and paper for example Line drum and Dot Matrix printers are the printer which do not stabilize any mechanical contact between the printed and the printer for example exit printer and laser printer. if you want something else then you can also ask

Answer 2

there are three types of printers
1)inkjet printer
2) laser printer
3) purpose printer