c) Refilled products. The third option is of buying printer cartridge ink for refilling your existing printer cartridges. As refilling the product from original ink will cost us less and also produces the output of the similar type for which you are looking for. Also there are two options you can either refill your printer cartridges or can buy the recycled printer cartridges. Most of companies are going for the third option as you are getting original quality product at reduced price and this is not good just for you but also for environment. Also one can refill the printer cartridges at their place with little efforts. So for saving the money as well as time online printer supply stores are the best option.