What is a risk of using counterfeit cartridges?

A.
Customers generally pay more for counterfeit cartridges.

B.
Counterfeit products can damage a printer.

C.
Counterfeit cartridges generally produce print documents with unacceptable quality.

D.
HP will bring legal action against customers who use counterfeit cartridges.

Explanation:
e: http://graphic.com.gh/archive/Business-News/hp-fights-against-counterfeit-products-inafrica.html