Compaq 270680-003 Compaq Reference Guide Deskpro 4000 and Deskpro 6000 Series - Page 195

! WARNING: Because the internal laser beam may cause eye damage, do not open the cabinet. Wearing glasses and contact lenses, etc., increases the hazard. All maintenance should be performed by an authorized Compaq service provider. The removable laser product is classified as a CLASS 1 LASER PRODUCT. These labels are located on the outside of the laser product: This system is classified as a CLASS 1 LASER PRODUCT. This label is located on the outside of your system. A similar label also appears on the internal laser product installed in your system. If you have an LS-120 drive, this label is located next to the Class 1 Laser Product label on your system. Laser Information s Laser Type: Semiconductor GaAIAs s Wave Length: 780 +/- 35 nm s Divergence Angle: 53.5 Degree +/- 5 Degree s Output Power: 0.4 mW - 2.9 mW s Polarization: Circular s Numerical Aperture: 0.45 +/- 0.04 Only authorized technicians trained by Compaq should attempt to repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly/module level repair. Because of the complexity of the individual boards and subassemblies, no one should attempt to make repairs at the component level or to make modifications to any printed wiring board. Improper repairs can create a safety hazard. Reference Guide A-5