Lenovo ThinkPad T410 (English) Service and Troubleshooting Guide - Page 13

Some CD and DVD drives contain an embedded Class 3A or Class 3B laser, diode. Note the following

Page 13 highlights

Some CD and DVD drives contain an embedded Class 3A or Class 3B laser diode. Note the following statement. DANGER Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. Save these instructions. Important safety information xiii

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Some CD and DVD drives contain an embedded Class 3A or Class 3B laser
diode. Note the following statement.
DANGER
Save these instructions.
Laser radiation when open. Do not stare into the beam, do not view directly with
optical instruments, and avoid direct exposure to the beam.
Important safety information
xiii