viiPrefaceThank you for purchasing the Canon iR3245/iR3245N/iR3235/iR3235N/iR3225/iR3225N. Please read thismanual thoroughly before operating the machine to familiarize yourself with its capabilities, and to makethe most of its many functions. After reading this manual, store it in a safe place for future reference.How To Use This ManualSymbols Used in This ManualThe following symbols are used in this manual to explain procedures, restrictions, handlingprecautions, and instructions that should be observed for safety.Indicates a warning concerning operations that may lead to death or injury to personsif not performed correctly. To use the machine safely, always pay attention to thesewarnings.Indicates a caution concerning operations that may lead to injury to persons, ordamage to property if not performed correctly. To use the machine safely, always payattention to these cautions.Indicates operational requirements and restrictions. Be sure to read these itemscarefully to operate the machine correctly, and avoid damage to the machine.Indicates a clarification of an operation, or contains additional explanations for aprocedure. Reading these notes is highly recommended.