Apple Mac Pro (Early 2009) - Manual (Page 108)

108 Chapter 6 Last, but Not Least
5 Wipe the computer or display case surfaces lightly with a clean, soft cloth dampened
with water.
Protecting Your Optical Drive
To keep your optical drive working properly:
 Position your computer so that the drive tray doesn’t bump into anything when it
opens.
 Close the drive when you’re not using it.
 Do not put anything on the drive tray when it is open.
 Do not touch the optical drive lens with your fingers. Do not wipe the lens with a
paper towel or other abrasive surface. If you need to clean the lens, see an Apple
Authorized Service Provider for a lens cleaner.
 Keep your computer away from any source of moisture.
Laser Information for Optical Disc Drive
For your safety, have the optical drive serviced only by an Apple Authorized Service
Provider.
NOTICE: Don’t use alcohol, aerosol sprays, solvents, or abrasives that might damage
the finish on the case.
WARNING: Making adjustments or performing procedures other than those specified
in your equipment’s manual may result in hazardous radiation exposure. The optical
disc drive in your computer contains a laser that is safe in normal use but that may be
harmful to your eyes if disassembled.