Preface > 2PREFACEEvery effort has been made to ensure that the information in this document is complete,accurate, and up-to-date. The manufacturer assumes no responsibility for the results oferrors beyond its control. The manufacturer also cannot guarantee that changes in softwareand equipment made by other manufacturers and referred to in this guide will not affectthe applicability of the information in it. Mention of software products manufactured byother companies does not necessarily constitute endorsement by the manufacturer.While all reasonable efforts have been made to make this document as accurate and helpfulas possible, we make no warranty of any kind, expressed or implied, as to the accuracy orcompleteness of the information contained herein.The most up-to-date drivers and manuals are available from:http://www.okiprintingsolutions.com07108901 Iss.01, Copyright © 2010 Oki Europe Ltd. All rights reserved.Oki is a registered trademark of Oki Electric Industry Company, Ltd.Oki Printing Solutions is a trademark of Oki Data Corporation.Energy Star is a trademark of the United States Environmental Protection Agency.Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corporation.Apple, Macintosh, Mac and Mac OS are trademarks of Apple Inc.Other product names and brand names are registered trademarks or trademarks of theirproprietors.As an Energy Star Program Participant, the manufacturer has determined thatthis product meets the Energy Star guidelines for energy efficiency.B720n and B730n achieve Energy Star energy savings; product fully qualifieswhen packaged (or used) with a duplex unit.This product complies with the requirements of the Council Directives 2004/108/EC (EMC), 2006/95/EC (LVD) and 2009/125/EC (EuP), as amended whereapplicable, on the approximation of the laws of the member states relating toElectromagnetic Compatibility, Low Voltage and Energy Using Products.The following cables were used to evaluate this product to achieve EMC directive2004/108/EC compliance and configurations other than this may affect that compliance.B710n ✔ B720n ✘ B730n ✘B710dn ✔ B720dn ✔ B730dn ✔CABLE TYPE LENGTH(METRE)CORE SHIELDPower 2.0 ✘ ✘USB 3.0 ✔ ✘Serial 3.0 ✔ ✘Parallel 3.0 ✔ ✘LAN 3.0 ✔ ✘