Canon ImageCLASS MF4690, Operation Manual

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What Can I Do with This Machine?
xviii
Turn off the main power switch and unplug the power cord from the wall outlet and
contact Canon Customer Care Center in any of the following cases:
When the power cord or plug is damaged or frayed.
If liquid or small object has fallen into the machine.
If the machine has been exposed to rain or water.
If the machine does not operate normally when you have followed the instructions
in this guide. Adjust only those controls that are covered by the instructions in this
guide. Improper adjustment of other controls may result in damage and may require
extensive work by a qualified technician to restore the product to normal operation.
If the machine has been dropped.
If the machine exhibits a distinct change in performance, indicating a need for
servicing.
Location
Place the machine on a flat, stable, vibration-free surface that is strong enough to
support its weight.
Place the machine in a cool, dry, clean, well ventilated place.
Make sure the area is free from dust.
Make sure the location is not exposed to high temperature or humidity.
Keep the machine away from direct sunlight as this can damage it. If you have to place
the machine near a window, install heavy curtains or blinds.
Do not use the machine near water. Make sure that no wet or humid objects come into
contact with the machine.
Do not use or store the machine outdoors.
Do not place the machine near devices that contain magnets or generate magnetic
fields, such as speakers.
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