Lenovo System x3550 M3 Problem Determination And Service Manual page 456

DVD drive filler panel
Figure 48. DVD drive filler panel removal
Step 7. Remove the retention clip from the side of the DVD drive filler panel. Save the DVD drive filler panel
for future use.
Note: If you are installing an optical drive that contains a laser, observe the following safety
precaution.
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.
System x3550 M3Problem Determination and Service Guide
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