IBM ThinkPad R30 Service And Troubleshooting Manual page 62

LUOKAN 1 LASERLAITE
APPAREIL ALASER DE CLASSE 1
KLASS 1 LASER APPARAT
The drive is certified in the U.S. to conform to the requirements of the
Department of Health and Human Services 21 Code of Federal Regulations
(DHHS 21 CFR) Subchapter J for Class I laser products.
In other countries, the drive is certified to conform to the requirements of
EN60825.
Do not open the CD-ROM, CD-RW, DVD-ROM, or DVD/CD-RW 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.
Class 1 laser products are not considered hazardous. The design of the laser
system and the CD-ROM, CD-RW, DVD-ROM, or DVD/CD-RW 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:
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.
Save these instructions.
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ThinkPad R30 Series Service and Troubleshooting Guide
DANGER
DANGER