Lenovo ThinkPad i Series 1800 ThinkPad A2* Series Hardware Maintenance Manual - Page 26
optical storage devices contain an embedded Class 3A or, Class 3B laser diode. Note the following
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Laser compliance statement Opening the CD-ROM drive, DVD-ROM drive or the other optical storage device could result in exposure to hazardous laser radiation. There are no serviceable parts inside those drives. Do not open. Some CD-ROM drives, DVD-ROM drives or the other optical storage devices contain an embedded Class 3A or Class 3B laser diode. Note the following: 20 ThinkPad A20m/p, A21m/p, A22m/p
Opening the CD-ROM drive, DVD-ROM drive or the other
optical storage device could result in exposure to
hazardous laser radiation. There are no serviceable parts
inside those drives.
Do not open.
Some CD-ROM drives, DVD-ROM drives or the other
optical storage devices contain an embedded Class 3A or
Class 3B laser diode. Note the following:
Laser compliance statement
20
ThinkPad A20m/p, A21m/p, A22m/p