Articles in this category Why are my plots the wrong size? If you are using the VCADD Plot command to plot to an HPGL plotter/printer, the Resolution DPI setting should be set to 1016. Why are the lines on my printout gray or very thin? Gray lines When Windows prints colored lines to a black and white printer, it attempts to represent the colors with shades of gray. A colored line printed from VCADD will appear as gray li...