Graphic bars print incorrectly
 

I have a bar chart where I've substituted an arrow shape for the bar.
(I did this by selecting an copying an auto shape to my chart, copying
it to the clipboard, selecting all bars in the chart and selecting
paste.)

This looks great on the screen and prints fine in black and white but
when I print in color the arrows become full bars. I thought it might
be my color printer driver but if I print in color to Adobe PDF it
shows full bars instead of the arrows.

Any ideas on what would cause this?

Thanks

- John

Graphic bars print incorrectly
 

Here's a little more data. It seems to only occur if the shape has
been "filled in". If I paste an arrow autoshape to the chart, change
the line color to red but leave the fill set to none, then paste this
shape to replace the bars, it prints correctly in color and B&W.
However, if I fill the shape with a color, the arrow will display
correctly and print correctly in B&W but in color the arrow is replaced
with a rectangle that represents the outer limits of the autoshape.

Ideas on how to solve would be appreciated.

- John