The cheapest way to use your printer is to refill the cartridges yourself, which involves injecting ink into your cartridge using a syringe, or simply pouring laser toner into a toner (laser) cartridge.  We're expert ink and toner refillers.  Different printers use different inks & toner, and if you want the refill to work you have to purchase the right ink or toner and use the right refill tools. Find the kit for your printer by selecting your printer's manufacturer

http://www.ink-refills-ink.com/