Reference Information 
  Safety Information 
    Reference Guide  143 
 
Laser safety 
The CD-ROM and DVD drives used with the computer are certified as a Class 1 laser 
devices according to the U.S. Department of Health and Human Services (DHHS) 
Radiation Performance Standard and International Standards IEC 825 / IEC 825-1 
(EN60825 / EN60825-1). These devices are not considered harmful, but the following 
precautions are recommended: 
?? Ensure proper use by reading and following the instructions carefully. 
?? If the unit requires service, contact an authorized HP service center—see “To contact 
HP for support or service” on page 125. 
?? Do not attempt to make any adjustment of the unit. 
?? Avoid direct exposure to the laser beam—do not open the unit. 
CLASS 1 LASER PRODUCT  
LASER KLASSE 1 
 
LED safety 
The infrared port located on the front of the computer is classified as a Class 1 LED 
(light-emitting diode) device according to International Standard IEC 825-1 
(EN60825-1). This device is not considered harmful, but the following precautions are 
recommended: 
?? If the unit requires service, contact an authorized HP service center—see “To contact 
HP for support or service” on page 125. 
?? Do not attempt to make any adjustment of the unit. 
?? Avoid direct eye exposure to the infrared LED beam. Be aware that the beam is 
invisible light and cannot be seen. 
?? Do not attempt to view the infrared LED beam with any type of optical device. 
 
CLASS 1 LED PRODUCT  
LEDSCHÜTZKLASSE 1 PRODUKT