Technician Notes; Serial Number; Laser Safety; Cdrh Regulations - HP ProSignia 120 Maintenance And Service Manual

Technician Notes

WARNING: Only authorized technicians trained by Compaq should attempt to
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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. Any indication of component replacement or
printed wiring board modifications may void any warranty or exchange allowances.
WARNING: The computer is designed to be electrically grounded. To ensure
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proper operation, plug the AC power cord into a properly grounded electrical outlet
only.
CAUTION: To properly ventilate your system, you must provide at least 3 inches
(7.62 cm) of clearance on the left and right sides of the computer.

Serial Number

When requesting information or ordering spare parts, provide the computer serial
number. The serial number is on the back of the computer.

Laser Safety

All Compaq systems equipped with CD-ROM drives comply with appropriate safety
standards, including IEC 825. With specific regard to the laser, the equipment complies
with laser product performance standards set by government agencies as a Class 1 laser
product. It does not emit hazardous light; the beam is totally enclosed during all modes
of customer operation and maintenance.

CDRH Regulations

The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug
Administration implemented regulations for laser products on August 2, 1976. These
regulations apply to laser products manufactured from August 1, 1976. Compliance is
mandatory for products marketed in the United States.
WARNING: Use of controls or adjustments or performance of procedures other
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than those specified herein or in the CD ROM installation guide may result in
hazardous radiation exposure.
viii Using This Guide