Lenovo 4479, 4495, 4497, 4499, 4504, 4513, 4517, 4524, 7021, Personal Computer User Manual


 
Laser compliance statement
Some personal computer models are equipped from the factory with a CD or DVD drive. CD and DVD drives
are also sold separately as options. CD and DVD drives are laser products. These drives are certied 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
certied to conform to the requirements of the International Electrotechnical Commission (IEC) 60825-1 and
CENELEC EN 60 825-1 for Class 1 laser products.
When a CD or DVD drive is installed, note the following handling instructions.
CAUTION:
Use of controls or adjustments or performance of procedures other than those specied 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.
Some CD and DVD drives contain an embedded Class 3A or Class 3B laser diode. Note the following
statement.
DANGER
Laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam.
Power supply statement
Never remove the cover on a power supply or any part that has the following label attached.
Hazardous voltage, current, and energy levels are present inside any component that has this label attached.
There are no serviceable parts inside these components. If you suspect a problem with one of these parts,
contact a service technician.
Cleaning and maintenance
Keep your computer and workspace clean. Shut down the computer and then disconnect the power
cord before cleaning the computer. Do not spray any liquid detergent directly on the computer or use
any detergent containing ammable material to clean the computer. Spray the detergent on a soft cloth
and then wipe the computer surfaces.
Russia Compliance Mark for Market Access
© Copyright Lenovo 2011
xi