viiiPrefaceThank you for purchasing the Canon imageCLASS MF3110. Please read this manualthoroughly before operating the machine in order to familiarize yourself with its capabilities,and to make the most of its many functions. After reading this manual, store it in a safe placefor future reference.How to Use This ManualSymbols Used in This ManualThe following symbols are used in this manual to explain procedures, restrictions,handling precautions, and instructions that should be observed for safety.WARNING Indicates a warning concerning operations that may lead to death orinjury to persons if not performed correctly. In order to use the machinesafely, always pay attention to these warnings.CAUTION Indicates a caution concerning operations that may lead to injury topersons, or damage to property if not performed correctly. In order to usethe machine safely, always pay attention to these cautions.IMPORTANT Indicates operational requirements and restrictions. Be sure to readthese items carefully in order to operate the machine correctly, and toavoid damage to the machine.NOTE Indicates a clarification of an operation, or contains additionalexplanations for a procedure. Reading these notes is highlyrecommended.Keys Used in This ManualThe following symbols and key names are a few examples of how keys to bepressed are expressed in this manual. The operation panel keys on the machineare indicated within brackets.Press [Start].Press [Image Quality].ImageQuality