Preface 1PrefaceThank you for purchasing OKI Multifunctional Digital Systems.This manual explains about the conditions and settings for using the Multifunctional Digital Systems which complies withIEEE Std 2600.1 TM-2009 *1.Read this manual carefully before using your Multifunctional Digital Systems under the high security mode. For thesecurity precautions on operating the equipment complying with IEEE Std 2600.1 TM -2009, refer to “Security Precautions”in the “Safety Information”.Keep this manual within easy reach and use it to maintain the equipment complying with IEEE Std 2600.1 TM-2009. How to read this manual Symbols in this manualIn this manual, some important items are marked with the symbols shown below. Be sure to read these items before usingthis equipment.Other than the above, this manual also marks information that may be useful for the operation of this equipment with thefollowing signs: Applicable modelsES9160 MFP/ES9170 MFPES9460 MFP/ES9470 MFPCX3535 MFP/CX4545 MFPIf the model name is written, precautions are applicable to the specified model. If no model name is written, precautionsare applicable to the above models. Explanation for control panel and touch panel The details on the touch panel menus may differ depending on the operating environment such as whether options areinstalled. The illustration screens used in this manual are for paper in the A/B format. If you use paper in the LT format, thedisplay or the order of buttons in the illustrations may differ from that of your equipment.Indicates a potentially hazardous situation which, if not avoided, could result in death, seriousinjury, or serious damage, or fire in the equipment or surrounding assets.Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderateinjury, partial damage to the equipment or surrounding assets, or loss of data.Indicates information to which you should pay attention when operating the equipment.Describes handy information that is useful to know when operating the equipment.Pages describing items related to what you are currently doing. See these pages as required.