Think big with this high-quality multifunction printer with double-sided printing and single scanning and fax all up to A4. You’ll stride through tasks with print speeds of up to 21ppm in black and a 35 page A4 automatic document feeder (ADF). And that’s not forgetting its cost-effective inks and flexible wireless connectivity solutions such and Scan-to-cloud.This A4 multifunction printer will meet the needs of even the most demanding home office and small office users. It offers double-sided (duplex) printing and single scanning and faxing all up to A4, plus its automatic document feeder can process up to 35 double-sided A4 pages. Furthermore, its PrecisionCore printhead produces high-quality, laser-like prints.This efficient, reliable and fast model offers A4 double-sided printing and print speeds of 21ppm in black and 10ppm in colour. It’s also simple to operate directly thanks to its intuitive user interface and 6.8cm touchscreen.Dramatically reduce your costs; this printer is compatible with individual inks which are are 50% more efficient compared to tri-colour cartridges. Giving great value for money, cartridges are available in standard and XL, with the highest yield delivering up to 1,100 pages.Print from anywhere in the office with Wi-Fi connectivity or use Wi-Fi Direct to print from compatible wireless devices without a Wi-Fi network. Epson's free mobile printing apps and solutions provide further versatility; Email Print allows you to send items to print from almost anywhere in the world. And with Scan-to-Cloud, you can enjoy the benefits of collaborative working.AS A PRINTER: Up to 35 page per minute (mono), up to 21 page per minute (colour), 250 sheet paper tray, 4800 x 2400 dpi resolution.AS A SCANNER / COPIER: Contact image sensor (CIS), 1200 x 2400 dpi, 35 sheet ADF.AS A FAX: Up to 180 page memory, 100 speed dials, PC Fax, Address Book, Delay Send, Broadcast Fax.Compatible Operating Systems: Mac OS 10.8.x, Mac OS X 10.11.x, Mac OS X 10.11.x or later, Mac OS X 10.12, Mac OS X 10.13.x, Mac OS X 10.6.8 or later, Ubuntu 15.10, Windows 8.1 (32/64 bit), Windows Server 2003 R2 x64, spectextoptionoperatingsystemswin2003ii2only, Windows Server 2008 (32/64bit), Windows Server 2008 R2, Windows Server 2012 (64bit), Windows Server 2012 R2, Windows Server 2016, Windows XP Professional x64 Edition SP2 or later, Windows XP SP3, Windows XP SP3 or later (32-bit).Compatible Epson Ink Cartridges: 405 & 405XLBox contentsWF-3820DWF multifunction, Individual ink cartridges, Power cable, Quick Start Guide, Warranty document.