The WorkForce ET-4500 EcoTank wireless all-in-one offers revolutionary cartridge-free printing with innovative, easy-to-fill supersized ink tanks. It includes up to 2 years of ink in the box. That's an incredible amount of ink, enough to print up to 4,000 pages, and equivalent to about 20 ink cartridge sets. Delivering an unbeatable combination of value and convenience, the ET-4500 allows you the freedom to print in color. Plus, save more on ink with low-cost replacement bottles. The ET-4500 includes a 30-page Auto Document Feeder and 2.2" LCD, plus built-in wireless and Wi-Fi Direct for easy printing from tablets and smartphones.