A plotter's a vector graphics printing device to print graphical plots, that connects to a computer. There're two types of main plotters. Those are pen plotters and electrostatic plotters. Overview Pen plotters print by moving a pen across the surface of a piece of paper. This means that plotters are restricted to line art, rather than raster graphics as with other printers. Pen plotters can draw complex line art, including text, but do so very slowly because of the mechanical movement of the… (More on Plotter)