I have a color printer and the default printing is set to grayscale. If I try to print one pdf in color from okular and change the printing to color, it is ignored and i still get a greyscale print. Steps: 1) open the pdf 2)File->Print 3) Properties (for the printer) 4) Change the option of Color Mode in the Advanced tab) 5) OK 6) Print Result: grayscale print .
*** This bug has been marked as a duplicate of bug 449709 ***