Photoshop request

Make the whole image black. No white, no grayscale, one solid colour.

 

Try:
1) Convert image from rgb to Greyscale. Then adjust LEVELS (in the adjustments menu) to get your black/white balance the way you want).

2) Use the FILL tool to fill in the areas you want black with black, and white with white.

Since you have an image with colours in it, you will have to use your own judgement about what colour will become white or black. If you want to add outlines that are not there now (to show colour divisions), use the select tool to select an area, make a new layer, fill it in with white or black, and then do a STROKE layer effect on the new layer in the colour opposite to the one you just filled.

There are lots of ways to make this happen.
Have fun!