9Safety PrecautionsNever plug the printer into a power socket (extension cord, doubleadapter, etc.) that powers multiple devices.Never use the printer if the power cord is bundled or knotted.If you detect smoke, unusual smells or strange noises around the printer, immediatelyunplug the printer at the power supply and call the Canon Customer Care Center.Periodically, unplug the printer and use a dry cloth to wipe off any dust or dirt collectedon the plug and the power outlet. If the printer is placed at a location exposed to a lot ofdust, smoke, or high humidity, the dust that collects on the plug absorbs moisture andmay cause insulation failure and fire.n Cleaning the printerUse a damp cloth to clean the printer. Never use flammablesolvents, such as alcohol, benzene or thinners.If flammable solvents come in contact with electrical components inside the printer,it could cause a fire or electric shock.Always unplug the printer from the power outlet before cleaning the printer.If you accidentally switch the printer on while cleaning it, you could injure yourself or damage the printer.