It may be a problem due to your printer driver.
Is the color printer the default printer ? Is it defined as color by default ? (with some printer drivers it seems that non-default settings do not work well)
Well you made a point. I checked to see if the printer was still set to color and it was not. Nor was my PDF writer set to color. When I print in other programs they print in color. Strange. Anyway, now that I have set it to color, it works great.