Apple Power Macintosh 4400 - Manual (Page 178)

m To avoid damage to your discs, keep these points in mind:
Other important safety instructions to keep in mind as you use your
CD-ROM drive:
m Position your computer so that when the tray opens, it doesn’t bump
into anything.
m Do not leave the disc tray open. If dust gets on the lens of the CD-ROM
drive, the drive may have problems reading your compact discs.
m Do not put anything (for instance, a cup) on top of the tray when it is open.
m Do not force the tray open by hand.
m 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.
m Never transport your computer with a disc inside the CD-ROM drive.
m Keep your computer equipment away from any source of liquid (such as
wash basins, bathtubs, and shower stalls). If you drink coffee or other
beverages while you’re at your computer, take care not to spill.
m Avoid exposing your equipment to damp or wet weather. If your system is
near a window, be sure the window is closed in rainy weather.
Do not put tape
on discs.
Do not scratch
discs.
Do not write on
discs.
Do not spill liquids
on discs.
Do not get
dust on discs.
Do not expose discs
to direct sunlight.
178 Appendix A