Xerox Document WorkCentre 450C - Manual (Page 206)

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This system should be operated from the type of power
source indicated on the marking label. If you are not sure
of the type of power available, consult your local power
company.
Never attempt any maintenance function that is not
specifically described in this guide.
Do not allow anything to rest on the power cord. Do not
locate the system where persons will step on the cord.
Use of an extension cord with this system is not
recommended. Users should check building codes and
insurance requirements if an extension cord is to be used.
Ensure that the total of the ampere ratings of the products
plugged into the extension cord does not exceed the
extension cord ampere rating.
Make sure that the total amperage of all products plugged
into the wall outlet does not exceed the outlet rating.
Slots and openings in the cabinet and in the back and
bottom of the system are provided for ventilation. To
ensure reliable operation of the system and to protect it
from overheating, these openings must not be blocked or
covered. The system should never be placed near or over a
radiator or heat register. This system should not be placed
in a built-in installation unless proper ventilation is
provided.
Never push objects of any kind into the ventilation
openings.
Never operate the equipment if you notice unusual noises
or odors. Disconnect the power cord from the power source
receptacle and call Xerox Customer Support to correct the
problem.