Removal and Installation - Introduction
Introduction
This chapter is a
The procedures appear in order of removal. The whole machine can be stripped down by starting at the beginning of this chapter and working through the subsequent procedures.
Before using this chapter to remove and install a new component, always make sure that you have performed the relevant service test from Chapter 4. If the test passes you will not need to replace the component.
Safety Precautions
Review the instructions identified by WARNING and CAUTION symbols before you service the printer. Follow these warnings and cautions for your protection and to avoid damaging the printer.
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.
Electrostatic Discharge (ESD) Precautions
To prevent damage to the Printer circuits from
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 Printer.
5.After removing a cover from the Printer, 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 Printer.
6.After removing any PCA from the Printer, place it on a conductive foam pad or into its conductive packaging to prevent ESD damage to any ICs on the PCA.
HP Designjet T Series — Service Manual |