SCAN will print a black & white copy of a black & white original.
SCAN will print a colour copy of a colour original.
COPY will not. A B&W original comes out as a blank page. A COLOUR
original comes out as incomplete and as garbage.
COLOUR photos will SCAN and print as perfect images
of the originals.
I do not think the printer is smart enough to print/not print the
black colour (depending solely on selecting SCAN or COPY).
Since the printer is "out of warranty", I am having no luck pursuing
HP Tech Support for a solution. To pay for any solution support
seems to be a waste of time and money.