We have always had HP Designjet printers to print our coloured plots. Recently we replaced it with a Xerox Workcentre Pro 40 which is an all in one machine (prints color and B+w, scans, photocopies etc). The problem I have is the Xerox machine plots some colours so dark they're black. So if I plot a historic drawing I have to be careful. It also limits my colour selection. If I open the default Chroma.dwg file found in acad support, and print it, out of 10 lines of colours I can only use about 6 lines because the colours are so dark they're black. Is there a way to lighten up all these colours within the CTB or any other way? I was thinking on reassigning colour Numbers and pens in the CTB to match more closely what we used with the HP machines. But I'm hoping there is a way to lighten all colours. I'm using a P4 512 mb of ram, Acad 2002, with Windows XP. Thanks in advance.