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The Expression ET-3700 EcoTank wireless all-in-one offers revolutionary cartridge-free printing with easy-to-fill, supersized ink tanks. It includes up to 2 years of ink in the box1. That’s an incredible amount of ink – enough to print up to 11,200 pages2, and equivalent to about 30 ink cartridge sets3. Plus, it features auto-stop ink bottles with each color uniquely keyed for easy filling of each tank. And, you save up to 80 percent on ink with low-cost replacement bottles4. The ET-3700 also offers a 150-sheet paper capacity, large 2.4" color LCD, auto 2-sided printing, borderless printing up to 8.5" x 11" and easy wireless printing from tablets and smartphones5.