The OKI ES4191 MFP is built on tried and tested, award winning digital LED technology, delivering a new standard in mono multifunction versatility in the workplace. The ES4191 MFP can print many document types, from labels to spreadsheets, invoices, proposals, forms, technical drawings and more, making it ideal for use by a wide range of organizations. In fact, it is perfect for any organisation that requires fast mono duplex printing with the added functionality of double sided copying, scanning and faxing. The ES4191 MFP is packed full of outstanding standard features, including a 50-sheet RADF enabling you to copy, scan and fax two sided documents, a QWERTY keypad for quick typing of email addresses and a front facing USB port enabling you to directly print from a USB stick. Secure Print allows you to protect valuable corporate data and an auto delivery function allows users to route incoming faxes to an email address or folders. The ES4191 MFP is compatible with mobile printing applications allowing you to print directly from your mobile device over wireless networks. 40 pages-per-minute print speed and 5 seconds to first page print, RADF and duplex as standard, 350 sheet standard paper capacity and PCL/PS printer language emulation.