Inkjet printers are used by many people.In inkjet printer when the ink was fully used or when the catridge is not working well you have to replace it with another one.Refilling ink in the inkjet printers is a easy process for which you can see a lot of model videos on the internet.You can also do that with the help of the instruction guide given with the refilling kit.Toner catridge in the printer helps to place the ionized ink particles correctly on the paper. http://www.cheaprefills.info