Lenovo 3000 User Manual
Page 24
These
drives
are
certified
in
the
U.S.
to
conform
to
the
requirements
of
the
Department
of
Health
and
Human
Services
21
Code
of
Federal
Regulations
(DHHS
21
CFR)
Subchapter
J
for
Class
1
laser
products.
Elsewhere,
these
drives
are
certified
to
conform
to
the
requirements
of
the
International
Electrotechnical
Commission
(IEC)
60825-1
and
CENELEC
EN
60825-1
for
Class
1
laser
products.
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.
When
a
CD
or
DVD
drive
is
installed,
note
the
following
handling
instructions.
DANGER
Some
CD
and
DVD
drives
contain
an
embedded
Class
3A
or
Class
3B
laser
diode.
Note
the
following
statement.
DANGER
Use
of
controls,
adjustments,
or
performance
of
procedures
other
than
those
specified
herein
might
result
in
hazardous
radiation
exposure.
Do
not
remove
the
drive
covers.
Removing
the
covers
of
the
CD
or
DVD
drive
could
result
in
exposure
to
hazardous
laser
radiation.
There
are
no
serviceable
parts
inside
the
CD
or
DVD
drive.
Laser
radiation
when
open.
Do
not
stare
into
the
beam,
do
not
view
directly
with
optical
instruments,
and
avoid
direct
exposure
to
the
beam.
14
Lenovo
3000
Safety
and
Warranty
Guide