17EnSymbols Used in This ManualWARNINGIndicates a warning concerning operations that may lead to deathor injury to persons if not performed correctly. To use the machinesafely, always pay attention to these warnings.CAUTIONIndicates a caution concerning operations that may lead to injury topersons if not performed correctly. To use the machine safely, alwayspay attention to these cautions.Keys and Buttons Used in This ManualThe following symbols and key names are a few examples of howkeys to be pressed are expressed in this manual.• Operation panel keys: [Key icon] + (Key name)Example: [ ] (Stop)• Display: • Buttons and items on the computer display: [Preferences]Illustrations and Displays Used in This ManualIllustrations and displays used in this manual are which of MF4890dwunless specified.Important Safety InstructionsPlease read the “Important Safety Instructions” in this manual and inthe e-Manual thoroughly before operating the machine.As these instructions are intended to prevent injury to the user andother persons or to prevent destruction of property, always payattention to these instructions and operational requirements.Please note that you are responsible for all damages caused byfailure to follow the directions provided herein, using the device forany purpose for which it was not intended, or repairs or alterationsmade by anyone other than a Canon-approved technician.InstallationWARNING• Do not install the machine near flammable substances such asalcohol-based products or paint thinners. If these substancescome in contact to the electrical parts inside the machine couldignite these substances and cause a fire or increase your risk ofelectric shock.• Do not place necklaces and other metal objects or containersfilled with liquid on the machine. If foreign substances come intocontact with electrical parts inside the machine, this may result ina fire or electrical shock.If any of these substances falls into the machine, turn off thepower to the machine immediately and contact your local Canondealer.• Do not use near any medical equipment. Radio wave emitted fromthis machine may interfere with medical equipments, which mayresult in serious accidents.CAUTION• Do not install the machine in the following locations. Doing so mayresult in personal injury, fire or electrical shock.− Unstable location− A location subject to excessive vibrations− A location where block the ventilation slots (too close to walls,bed, shaggy rug, and other similar objects)− A damp or dusty location− A location exposed to direct sunlight or an outside place− A location subject to high temperatures− A location near open flames− A location with poor ventilation system• Although ozone is generated from the machine during operation,it does not have any affect on the human body. However, if youintend to use the machine for long periods of time, ensure that theinstallation location is well ventilated.• Do not connect unapproved cables to this machine. Doing so mayresult in a fire or an electric shock.• Machines with a hard disk may not operate properly when used athigh altitudes of about 3,000 meters above sea level, or higher.Power SupplyWARNING• Do not use power cords other than the one provided, as this canresult in a fire or electrical shock.• Do not modify or bend the power cord and do not pull on it withgreat force. Do not place heavy objects on the power cord.Damaging the power cord may result in a fire or an electric shock.• Do not plug or unplug the power plug with wet hands, as this canresult in electrical shock.• Do not use extension cords or multi-plug power strips with thismachine. Doing so may result in a fire or electric shock.• Do not bundle up or tie up the power cord in a knot, as this canresult in a fire or electrical shock.• Insert the power plug completely into the AC power outlet. Failureto do so can result in a fire or electrical shock.• Remove the power plug completely from the power outlet during athunder storm. Failure to do may result in a fire, electric shock, ormalfunction.CAUTION• Use only a power supply that meets the voltage requirementslisted herein. Failure to do so may result in a fire or electric shock.• Do not obstruct the power outlet where this machine is connected,so that you can unplug the power cord easily in an emergency.HandlingWARNING• Do not disassemble or modify the machine. There are high-temperature and high-voltage components inside the machinewhich may result in a fire or electrical shock.• Do not allow children to touch or play with the power cord andcables or internal or electrical parts. Doing so may result in seriouspersonal injury.• Please contact an authorized Canon dealer if the machine makesan unusual noise, emits an unusual smell, or emits smoke orexcessive heat. Continued use may result in a fire or electricshock.• Do not use flammable sprays near the machine. If flammablesubstances come into contact with electrical parts inside themachine, this may result in a fire or electric shock.
