This manual is provided for information purposes only. All information included herein is subject to change without notice. Samsung Electronics is notresponsible for any direct or indirect damages, arising from or related to use of this manual.© 2006 Samsung Electronics Co., Ltd. All rights reserved.• ML-4550, ML-4551N, and ML-4551ND are trademarks of Samsung Electronics Co., Ltd.• Samsung and Samsung logo are trademarks of Samsung Electronics Co., Ltd.• Centronics is a trademark of Centronics Data Computer Corporation.• IBM and IBM PC are trademarks of International Business Machines Corporation.• PCL and PCL 6 are trademarks of Hewlett-Packard company.• Microsoft, Windows, Windows Vista, Windows 7 and Windows 2008 Server R2 are either registered trademarks or trademarks of Microsoft Corporation.• PostScript 3 is a trademark of Adobe System, Inc.• UFST® and MicroType™ are registered trademarks of Monotype Imaging Inc.• TrueType, LaserWriter, and Macintosh are trademarks of Apple Computer, Inc.• All other brand or product names are trademarks of their respective companies or organizations.• Refer to the 'LICENSE.txt' file in the provided CD-ROM for the open source license information.