Because the printing involves mechanical pressure, dot matrix printers can create carbon copies and carbonless copies. right|thumb|Epson LQ 850 Although nearly all inkjet, thermal, and laser printers also print closely spaced dots rather than continuous lines or characters, it is not customary to call them dot matrix printers.
Because the printing involves mechanical pressure dot matrix printers can create carbon copies and carbonless copies right|thumb|Epson LQ 850 Although nearly all inkjet thermal and laser printers also print closely spaced dots rather than continuous lines or characters it is not customary to call them dot matrix printers