If you've not heard of the former, dot matrix paper is used in specific types of computer printers for creating business ...

The dot matrix printer uses one or two columns of dot hammers that are moved across the paper. The hammers rapidly press the ribbon into the paper, which causes the ink to be deposited.

There was much whooping and hollering, as there often is when a dot matrix printer screams into life ... as the excess WD40 was absorbed by the paper after a few prints. Digging out an old blue ...

The accuracy which [Mario] achieved in his pen plotter dot matrix printer is very ... with a piece of scrap paper. He was inspired by the pen printer we featured back in June.

Not only did this waste paper, but it left Chinese-language ... world began to import Western-manufactured dot-matrix ...