Hi everyone,
 
Here is my question:
 
for example,  I am going to use yellow 2 in the drawing, but yellow 2 is to bright afer plotted, so I would like to change it to PANTONE YELLOW C,
 
so far so good, but I have to print one copy in black and white, then comes the problem, pantone yellow c can not be switched to black, it always stays in its own true colour,
 
Please help to find perfect solution for the problem-- I want to use pantone yellow c in color drawing, but switch pantome yellow c into black and white copy.
 
Thanks!
 
by the way, I have to use autocad 2007 at work