If you are wondering what you can do with your used Xerox cartridge, a good answer will be to send it to the manufacturer so he can recycle it as part of the printer brand recycling programs. Another good option is to keep your Xerox cartridge so you can use it for refilling. Both are excellent choices, whether you decide to recycle it or to refill it because with the first you will help the environment and with the second you will save money buying cheap toner on refilling kits.
One way of finding inexpensive ink cartridges is saving your Xerox cartridge for refilling, in that way you will not have to spend twice on costly cartridges. And, if you send your Xerox cartridge for recycling you will be preserving the environment.