CentOS - Jun 2018 - cannot print graphics from document viewer

I'm running KDE under C7.
When I print a pdf from the document viewer,
graphics does not come through,
not even on print to file.
lp will print the graphics.

Any ideas on what is happening
or what I can do about it?

-- 
Michael   hennebry at web.cs.ndsu.NoDak.edu
"Sorry but your password must contain an uppercase letter, a number,
a haiku, a gang sign, a heiroglyph, and the blood of a virgin."
                                                              --  someeecards