IBM ThinkPad T41p Safety And Warranty Manual page 16

The drive is certified by the manufacturer to comply with 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 at the date
of manufacture.
In other countries, the drive is certified to conform to the requirements of
IEC825 and EN60825 for Class 1 laser products.
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ThinkPad Safety And Warranty Guide
LUOKAN 1 LASERLAITE
APPAREIL A LASER DE CLASSE 1
KLASS 1 LASER APPARAT