Lenovo ThinkPad T42 (English) Service and Troubleshooting guide for the ThinkP - Page 17

Danger, Warning

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DANGER Do not open the optical storage drive unit; no user adjustments or serviceable parts are inside. Use of controls, adjustments, or the performance of procedures other than those specified might result in hazardous radiation exposure. Class 1 laser products are not considered hazardous. The design of the laser system and the optical storage drive ensures that there is no exposure to laser radiation above a Class 1 level during normal operation, user maintenance, or servicing. Some drives contain an embedded Class 3A laser diode. Note this warning: DANGER Emits visible and invisible laser radiation when open. Avoid direct eye exposure. Do not stare into the beam or view it directly with optical instruments. DANGER Store packing materials safely out of the reach of children to prevent the risk of suffocation from plastic bags. Many PC products and accessories contain cords, cables or wires, such as power cords or cords to connect the accessory to a PC. If this product has such a cord, cable or wire, then the following warning applies: WARNING: Handling the cord on this product or cords associated with accessories sold with this product will expose you to lead, a chemical known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. Save these instructions. Important safety information xv

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DANGER
Class
1
laser
products
are
not
considered
hazardous.
The
design
of
the
laser
system
and
the
optical
storage
drive
ensures
that
there
is
no
exposure
to
laser
radiation
above
a
Class
1
level
during
normal
operation,
user
maintenance,
or
servicing.
Some
drives
contain
an
embedded
Class
3A
laser
diode.
Note
this
warning:
DANGER
DANGER
Store
packing
materials
safely
out
of
the
reach
of
children
to
prevent
the
risk
of
suffocation
from
plastic
bags.
Many
PC
products
and
accessories
contain
cords,
cables
or
wires,
such
as
power
cords
or
cords
to
connect
the
accessory
to
a
PC.
If
this
product
has
such
a
cord,
cable
or
wire,
then
the
following
warning
applies:
WARNING:
Handling
the
cord
on
this
product
or
cords
associated
with
accessories
sold
with
this
product
will
expose
you
to
lead,
a
chemical
known
to
the
State
of
California
to
cause
cancer,
and
birth
defects
or
other
reproductive
harm.
Wash
hands
after
handling
.
Save
these
instructions.
Do
not
open
the
optical
storage
drive
unit;
no
user
adjustments
or
serviceable
parts
are
inside.
Use
of
controls,
adjustments,
or
the
performance
of
procedures
other
than
those
specified
might
result
in
hazardous
radiation
exposure.
Emits
visible
and
invisible
laser
radiation
when
open.
Avoid
direct
eye
exposure.
Do
not
stare
into
the
beam
or
view
it
directly
with
optical
instruments.
Important
safety
information
xv