In each drawing that you place on a layout, you can control the pen set to be used and if you want to want it to use its own colours (defined by pen set) or convert them to greyscale or black and white.
You can also control it in the document options in the publisher.
But I find it best to adjust the drawings on the layouts.
What you see on screen is what will print.
I also have duplicated my coloured pen sets and changed the pens I want to black or grey (leave the white pens as white so they don't print).
I sometimes leave some pens as coloured.
I set the drawing to use these new pen sets and leave as "Define by Colour'.
That way I get black and grey prints with a bit of colour if I need it.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11