HP C1D80UT C1D80UT#ABA, Z220 F1J90UAABA, Z420 D3J34UT#ABA, B2B94UT B2B94UT#ABA, B5P07UT B5P07UT#ABA

Models: C1D80UT C1D80UT#ABA Workstatio D8D17UT#ABA Workstatio D3J88UT#ABA B2B94UT B2B94UT#ABA B5P07UT B5P07UT#ABA Z220 F1J90UAABA Z420 D3J34UT#ABA

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Warnings and cautions

WARNING! These symbols on any surface or area of the equipment indicate the following: Presence of a hot surface or hot component. If this surface is contacted, the potential for injury

exists. To reduce the risk of injury from a hot component, let the surface cool before touching.

Presence of an electrical shock hazard. To reduce the risk of injury from electrical shock, do not open any enclosed area marked with this symbol.

Product must always be lifted by two persons to avoid personal injury due to product weight.

WARNING! To reduce the risk of electric shock or damage to your equipment:

Do not disable the power cord grounding plug. The grounding plug is an important safety feature.

Plug the power cord in a grounded (earthed) outlet that is easily accessible at all times.

Disconnect power from the equipment by unplugging the power cord from the electrical outlet.

WARNING! To reduce the risk of serious injury, read the Safety & Comfort Guide. It describes proper computer setup, posture, health, and work habits for computer users, and provides important electrical and mechanical safety information. This guide is located at http://www.hp.com/ergo.

WARNING! Do not use the front bezel as a handle or lifting point when lifting or moving the computer. Lifting the computer from the front bezel, or lifting it incorrectly, could cause the computer to fall, causing possible injury to you and damage to the computer. To properly and safely lift the computer, lift from the bottom of the computer.

CAUTION: Static electricity can damage the electronic components of the computer. To prevent damage to the computer, observe the following Electrostatic Discharge (ESD) precautions while servicing the computer:

Discharge static electricity by briefly touching a grounded metal object before you begin.

Work on a static-free mat.

Wear a static strap to ensure that any accumulated electrostatic charge is discharged from your body to the ground.

Create a common ground for the equipment you are working on by connecting the static-free mat, static strap, and peripheral units to that piece of equipment.

NOTE: HP accessories are for use in HP products. They have been extensively tested for reliability and are manufactured to high quality standards.

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Chapter 3 Component Replacement Information and Guidelines

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HP C1D80UT C1D80UT#ABA, Z220 F1J90UAABA, Z420 D3J34UT#ABA, B2B94UT B2B94UT#ABA, B5P07UT B5P07UT#ABA, Workstatio D8D17UT#ABA