q: What happens to recycled ink cartridges?

a: First of all, not all ink cartridges can be recycled, some of which can be classified as "hazardous waste". Strange, but true.

(http://www.ciwmb.ca.gov/WPIE/Electronics/InkAndToner.htm)

So what happens to the ones that can be recycled? Many charities refill and resell them in order to raise money.

(http://www.recyclenow.com/what_can_i_do_today/can_it_be_recycled/other_items/printer.html)