I 'm having problem when I sent to print a map, the problem is with blue color, when a map is printing in the plotter, the blue color turn to magenta, I changed the print heads of the plotter to solve this but the problem is happening yet with one PC, the other ones that I have in the office are working perfectly now, I think that this is happening because of a mistake a system variable of Acad in that PC, I will apreciatte all your help.