Maintenance And Inspections - Canon 4251i Anwenderhandbuch

•
The laser beam can be harmful to human bodies.
Since radiation emitted inside the product is
completely confi ned within protective housings and
external covers, the laser beam cannot escape from
the machine during any phase of user operation.
Read the following remarks and instructions for
safety.
-
Never open covers other than those instructed in
the manuals for this machine.
-
Do not remove the following caution label which
is attached to the machine. If the label has been
removed, contact your local authorized Canon
dealer.
When the Color Image Reader Unit-H1 and Cassette
Feeding Unit-AF1 are attached.
-
If the laser beam escapes from the machine,
exposure may cause serious damage to your eyes.
-
Controlling, adjusting, or operating the machine
in ways not mentioned in the manuals for this
machine may cause dangerous radiation to escape
from the machine.
IMPORTANT
Press for safety when the machine will not be used
for a long period of time, such as overnight. Also, turn
OFF the main power switch, and disconnect the power
cord for safety when the machine will not be used for
an extended period of time, such as during consecutive
holidays.
1

Maintenance and Inspections

•
When cleaning the machine, fi rst turn OFF the main
power switch, then disconnect the power cord.
Failure to observe these steps may result in a fi re or
electrical shock.
•
Unplug the power plug periodically and clean with
a dry cloth to remove dust and grime. Accumulated
dust may absorb humidity in the air and may result
in a fi re if it comes into contact with electricity.
•
Clean the machine using a slightly dampened cloth
with a mild detergent mixed with water. Do not use
alcohol, benzene, paint thinner, or other fl ammable
substances. Check detergent for fl ammability prior
to use. If fl ammable substances come into contact
with a high-voltage area inside the machine, it may
result in a fi re or electrical shock.
•
There are some areas inside the machine which are
subject to high-voltages. When removing jammed
paper or when inspecting the inside of the machine,
do not allow necklaces, bracelets, or other metal
objects to touch the inside of the machine, as this
may result in burns or electrical shock.
•
Do not burn or throw used toner cartridges into
open fl ames, as this may cause the toner remaining
inside the cartridges to ignite, resulting in burns or
a fi re.
•
Make sure that the power plug is fi rmly inserted
into the power outlet after cleaning the machine.
Do not use the machine while the connection is
loose, as doing so may cause a fi re.
•
Check the power cord and power plug regularly. If
the following conditions occur, contact your local
authorized Canon dealer, as the condition may
cause a fi re:
-
There are burn marks on the power plug.
-
The blade on the power plug is deformed or
broken.
-
The power goes OFF and ON when the power cord
is bent.
-
There are cuts, cracks, or indentations on the
power cord.
-
A part of the power cord becomes hot.
•
Check the power cord and power plug regularly
to make sure that they are not handled in the
following manner, as this may result in a fi re or
electrical shock:
-
The connection part of the power plug is loose.
-
Stress is being applied to the power cord by a
heavy object or by affi xing it with staples.
-
The power plug is loose.
-
The power cord is tied in a bundle.
-
The power cord protrudes into a walkway.
-
The power cord is in front of a heater.
Preface 15