A SERVICE OF

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DANGER
Class 1 laser products are not considered hazardous. The design of the laser
system and the optical storage drive ensures that there is no exposure to laser
radiation above a Class 1 level during normal operation, user maintenance, or
servicing.
Some drives contain an embedded Class 3A laser diode. Note this warning:
DANGER
Do not open the optical storage drive unit; no user adjustments or
serviceable parts are inside.
Use of controls, adjustments, or the performance of procedures other than
those specified might result in hazardous radiation exposure.
Emits visible and invisible laser radiation when open. Avoid direct eye
exposure. Do not stare into the beam or view it directly with optical
instruments.
x ThinkPad
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X4 Dock User’s Guide