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8-4 Removal and Installation
HP DesignJet CP Series Printers
Safety Precautions
(Safety symbols ' Immediately after the table of contents.)
Review WARNING and CAUTION symbols and instructions before you
service the plotters. Follow these warnings and cautions for your protection
and to avoid damaging the plotter.
Serious shock hazard leading to death or injury
may result if you do not take the following
precautions:
Ensure that the ac power outlet (mains) has a
protective earth (ground) terminal.
Switch the plotter off, and disconnect it from the
power source prior to performing any
maintenance.
Prevent water or other liquids from running onto
electrical components or circuits, or through
openings in the module.
WĂAĂRĂNĂIĂNĂG
Electrostatic Discharge (ESD) Precautions
To prevent damage to the plotter circuits from high-voltage electrostatic
discharge (ESD):
1. Do not wear clothing that is subject to static build-up.
2. Do not handle integrated circuits (ICs) in carpeted areas.
3. Do not remove an IC or a printed circuit assembly (PCA) from its
conductive foam pad or conductive packaging until you are ready to
install it.
4. Ground (earth) your body while disassembling and working on the
plotter.
5. After removing a cover from the plotter, attach an earthing (ground) lead
between the PCA common and earth ground. Touch all tools to earth
ground to remove static charges before using them on the plotter.
6. After removing any PCA from the plotter, place it on a conductive foam
pad or into its conductive packaging to prevent ESD damage to any ICs
on the PCA.