0 a computer printer that forms letters, numbers, and other symbols from dots
1 an old type of computer printer that forms and prints each letter using dots:
Graphic work printed on a dot matrix printer is not acceptable.
In the 1970s, the dot matrix printer (which was much like a typewriter) was used to reproduce varied fonts and arbitrary graphics.
The dot matrix printer was subsequently replaced by laser printers.
The dot matrix printer had a sheet feed for short documents and a tractor attachment for long reports on continuous stationery.
He obtained a patent for finding a way for a computer to verify that a user had correctly inserted blank checks in a dot matrix printer.
All but the dot matrix printer rely on the use of "fully formed characters", letterforms that represent each of the characters that the printer was capable of printing.
During the 1970s and 1980s, dot matrix printers were used to produce most visual output while microfilm plotters were used for most early animation.
The speed of a page was faster than later dot matrix printers, and not much worse than modern ink jet printers.
