Lenovo ThinkServer RD240 Hardware Maintenance Manual page 57

Statement 3
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are
installed, note the following:
• Do not remove the covers. Removing the covers of the laser product could result in exposure
to hazardous laser radiation. There are no serviceable parts inside the device.
• Use of controls or adjustments or performance of procedures other than those specified herein
might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following.
Laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam.
Class 1 Laser Product
Laser Klasse 1
Laser Klass 1
Luokan 1 Laserlaite
`
Appareil A Laser de Classe 1
2. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
3. Remove the server cover. See Removing the server cover.
4. There is one screw on each side and two screws on the top. Remove the four screws that secure the
drive access panel ( 1 ). Slide the drive access panel back and lift it to remove it (
.
Chapter 7 Installing, removing, or replacing hardware
2 ).
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