Maintenance & Service Guide

Presario Series

Models: 1246, 1247, 1277, 1278, and 1279

Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations

Removal and Replacement Procedures

Preparing the Computer for Disassembly

 

Before beginning removal and replacement procedures, complete the

Removal

following procedures:

Sequence

 

 

 

 

 

Electrostatic

1.

Disconnect AC power and any external devices.

Discharge

 

 

 

 

 

 

 

 

Service

2.

Remove the battery pack.

Considerations

 

 

 

Cables and 3. Remove any PC Cards.

Connectors

Preparing the

 

 

 

 

 

Computer for

 

 

 

 

 

Disassembly

 

 

 

 

The battery pack should be removed before performing any

 

IMPORTANT:

 

 

Battery Pack

 

 

 

 

internal maintenance on the computer.

 

 

 

 

 

 

 

 

 

 

 

 

Palmrest

 

 

 

 

 

Cover with

 

 

 

 

 

Touch Pad

 

 

 

 

 

 

 

 

 

WARNING: Metal objects can damage the battery pack as well as the

 

 

 

 

Keyboard

 

 

 

 

battery contacts in the battery compartment. To prevent damage, do

 

Heatspreader

 

 

 

not allow metal objects to touch the battery contacts. Place only the

 

 

 

 

 

 

 

 

battery pack for the Compaq Presario Series Portable Computers into

Processor

 

 

 

 

the battery compartment.

 

Hard Drive

 

 

 

Do not force the battery pack into the bay if insertion does not occur

 

 

 

 

 

 

 

 

easily.

CD Drive

 

 

 

 

 

 

 

 

 

 

 

 

Battery

 

 

 

 

 

Charger Board

 

 

 

 

 

 

 

 

 

CAUTION: Do not crush, puncture, or incinerate the battery pack. Do

 

 

 

 

Modem

 

 

 

not open a battery pack, as this damages the pack, makes it

 

 

 

 

 

Display Panel

 

 

 

unusable, and exposes potentially harmful battery components.

Assembly

 

 

 

There are no field-serviceable parts located inside the battery pack.

 

 

 

 

 

 

 

 

 

 

 

 

Upper CPU

 

 

 

 

 

Cover

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Speaker

 

 

 

 

 

Assembly

 

 

 

The Compaq Presario Series Portable Computers have several screws

 

 

 

 

 

 

 

 

 

 

 

of various sizes which are not interchangeable. Care must be taken

Diskette Drive

NOTE:

 

 

during reassembly to ensure that the correct screws are used in their

 

Fan Assembly

 

 

 

correct locations. During removal, please keep respective screws

 

 

 

 

 

 

 

 

with their associated subassembly.

System Board

 

 

 

 

 

 

 

 

 

 

 

 

Dip Switch

 

 

 

 

 

Settings

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Memory

 

 

 

 

 

Module

 

 

 

 

 

 

 

 

 

 

 

Page 43
Image 43
HP 1277, 1278 manual Preparing the Computer for Disassembly

1278, 1277 specifications

The HP 1278 and 1277 are modern printers designed to meet the evolving needs of both home and office environments. These models feature advanced printing technologies that enhance efficiency while delivering high-quality prints.

One of the standout features of the HP 1278 and 1277 is their ability to produce vibrant, sharp images. Both models utilize HP's innovative Inkjet technology, which ensures precise ink placement for stunning photo prints and clear text documents. The printers support various media types, from standard paper to photo paper, catering to a wide range of printing needs.

Connectivity is a crucial aspect of modern printers, and HP has ensured that the 1278 and 1277 excel in this area. Both printers offer wireless printing capabilities, allowing users to print from smartphones, tablets, and laptops without the hassle of tangled cords. They support various connectivity options, including Wi-Fi Direct and mobile printing via the HP Smart app, which enhances user convenience.

Speed is another critical feature of the HP 1278 and 1277. These models are designed to handle high-volume printing tasks efficiently, boasting impressive print speeds that can significantly reduce waiting times for essential documents. The fast output does not come at the expense of quality; users can expect crisp and clear text, along with rich colors in all their prints.

In terms of user-friendliness, both models are equipped with intuitive control panels and clear LCD displays that make navigation easy. They also come with easy-to-install cartridges, enabling quick replacements, minimizing downtime, and maximizing productivity.

The HP 1278 and 1277 models also emphasize sustainability. HP has integrated EcoSmart technology into these printers, which helps reduce energy consumption and waste. Users can take advantage of HP Instant Ink, a subscription service that delivers ink cartridges to their door when supplies run low, promoting a more sustainable approach to printing.

Overall, the HP 1278 and 1277 are versatile printers that blend high performance with user-friendly features. Their combination of advanced technologies, connectivity options, speed, and quality make them ideal choices for anyone looking to enhance their printing experience, whether at home or in a professional setting. These models represent HP's commitment to delivering reliable and efficient printing solutions for diverse user needs.