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The WorkForce WF-3640 offers enhanced productivity and flexible paper handling for small offices. Powered by Epson's new PrecisionCore printing technology, the WF-3640 delivers Performance Beyond Laser. This breakthrough all-in-one printer produces fast, print-shop-quality color prints and laser-sharp black and color text. Plus, save on ink; get up to 40 percent lower printing cost vs. color laser1. This wireless printer easily prints from tablets and smartphones2. Three paper trays offer added versatility — load up to 500 sheets in the front, and use the rear tray for envelopes and specialty paper. Additional features include auto 2-sided print/copy/scan/fax and a 3.5" color touchscreen.