Why is toner particle size and additive distribution important?

A.
It is easier to recycle.

B.
It is a feature in all mono toner for maximum yield.

C.
It is a feature with color toner that gives the customer excellent print quality.

D.
It is for customers who are cost-per-page sensitive.

Explanation:
Reference: http://h30094.www3.hp.com/product/sku/2663185