A dot matrix printer is a type of computer printer that creates text and images by striking pins against an ink ribbon onto paper. Dating back to the 1970s, these impact printers were widely used in homes and offices through the 1990s due to their reliability, low cost, and ability to print multi-part forms. They produce distinctive output characterized by visible dots forming characters and graphics.
Key features include:
Print head with 9-24 pins that strike paper through a ribbon
Ability to create carbon copies with multi-part forms
Distinctive perforated paper with feed holes along sides
Durable construction suitable for high-volume printing
Relatively low operating costs compared to other printer types