#printer  (computer science) an output device that prints the results of data processing
  supertype:  #computer_peripheral__peripheral__peripheral_device  (computer science) electronic equipment connected by cable to the CPU of a computer; "disk drives and printers are important peripherals"
  subtype:  #dot_matrix_printer__matrix_printer__dot_printer__dotprinter  a printer that represents each character as a pattern of dots from a dot matrix
     subtype:  #ink-jet_printer  a printer that produces characters by projecting electrically charged droplets of ink
        subtype:  #bubblejet_printer__bubblejetprinter__bubblejet  a kind of ink-jet printer
     subtype:  #wire_matrix_printer__wire_printer__stylus_printer  an impact printer in which each character is represented by a pattern of dots made by wires or styli

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