The WorkForce Pro WF-R4640 EcoTank wireless all-in-one offers revolutionary cartridge-free printing and includes up to 2 years of ink in the box. That's an incredible amount of ink print up to 20,000 pages black/20,000 color. Get an unbeatable combination of value and convenience with innovative, ultra low-cost replacement ink packs. Powered by PrecisionCore, the WF-R4640 delivers Performance Beyond Laser, producing print-shop quality prints, fast. Save up to 70% lower total printing costs vs. color laser. It also boasts a 580-sheet capacity; auto 2-sided printing, copying, scanning and faxing; easy wireless printing from tablets and smartphones and 4.3" color LCD.