The EcoTank ET-2720 wireless all-in-one supertank printer offers cartridge-free printing with easy-to-fill, supersized ink tanks. You get up to 2 years of ink with each included or replacement ink set. And, each replacement ink bottle set includes enough ink to print up to 4,500 pages equivalent to about 80 individual cartridges. Plus, you save up to 80 percent with low-cost replacement ink bottles vs. ink cartridges. That means less waste. Exclusive uniquely keyed EcoFit bottles make it easy to fill each color tank. This premium black printer also offers convenient wireless printing from tablets and smartphones, plus a 2-year limited warranty with registration.