IBM NetVista 6058 Hardware Maintenance Manual page 206

CAUTION:
When laser products (such as CD-ROMs, DVD-ROM drives, fiber optic
devices, or transmitters) are installed, note the following:
v 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.
v Use of controls or adjustments or performance of procedures other than
those specified herein might result in hazardous radiation exposure.
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.
v Statement 4
192
Hardware Maintenance Manual: IBM NetVista Computer Types 6058, 6059, 6269, 6568, 6569, 6578, 6579, 6648,
6649