HP 340 Series Service Manual page 6

Safety Considerations
WARNINGs, CAUTIONs, and Notes
Warnings, cautions and notes are used throughout this document to alert the user to conditions
of importance. They are used as follows:
• WARNINGS contain information which, if not observed, could result in injury to
personnel or loss of life.
• CAUTIONS contain information which, if not observed, could result in damage to or
destruction of equipment.
• Notes contain information that will assist you in accomplishing the job.
Examples:
vi
Notices
WARNING
The power supply presents a hazard to personnel. Extreme care must
be taken when connecting voltmeter probes to the test points. De-
energize the product by turning it off and removing its power cord
before connecting or removing test probes.
I
CAUTION
I
The printed circuit assenlblies in this product are susceptible to damage
by electro-static discharge. Extrenle care must be taken when handling
printed circuit assemblies. Use an Anti-static Workstation while
handling printed circuit assemblies.
Note
Hewlett-Packard supports repair of this product only to the assembly
level. The fault is diagnosed to the assembly that is causing the
problem. That assembly is then replaced with a new or rebuilt one.