There's a reason why printer companies want you to recycle your old printer cartridges. Because they can be reused. It cuts costs and saves them money, but you can save money, too. You don't have to keep buying new cartridges, you can recycle your used ones yourself by simply adding more ink. It could save you a ton of money on printer costs.
This video tutorial will give you a complete step-by-step guide on how to refill printer ink cartridges. This particular video focuses on refilling ink for a HP ink cartridge. By refilling your old ink cartridges, you not only save money, you save the environment by keeping plastics out of landfills.