What is dot matrix printer used for?

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Basic Printing Function All dot matrix printers create characters onpaper by striking an inked ribbon with a hard surface. Unliketypewriters, which use a similar mechanism, dot matrixprinters do not have fixed character shapes orfonts.

Beside above, what are impact printers used for? Some of the largest printer vendors continue tomanufacture, market, and support impact printers, parts, andsupplies. Impact printers are most functional in specializedenvironments where low-cost printing is essential. The threemost common forms of impact printers are dot-matrix,daisy-wheel, and line printers.

Also asked, why do airlines still use dot matrix printers?

The main reason why people still buydot-matrix printers is that because they usean impact technology they can be used with multipart forms.The pressure of the needle against the ribbon is transferredthrough the top copy to the carbon paper or carbonless paperbeneath it.

What is the working principle of dot matrix printer?

Definition: Dot matrix printers are known asimpact printers. They create an image on paper by strikingpins against an inked ribbon. The ink is transferred to the paperas closely shaped dots that form eachcharacter.