gif print black on black in FC6

[Andy Green]

Tim Waugh wrote:
> On Wed, 2007-02-21 at 10:42 +0000, William John Murray wrote:

>>             I have a problem printing some graphs. They are gif files,
>> with a pale, (but not white) background. Both eog and gthumb have the
>> same problem, as two two different FC6 boxes (i386 / x86_64) on two
>> different postscript printers: The background is coloured black. The
>> foreground is also very dark, so the whole thing is almost black.
> 
> Perhaps they have a degree of transparency?

FWIW this hit me yesterday trying to print a map to travel somewhere. 
Completely black page.  But printing from the default viewer Eye of 
Gnome failed, printing from KView worked fine.

-Andy