HP 1278, 1277 manual Boards, Description Spare Part Number

Page 26

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

Illustrated Parts Catalog

Boards

System Unit

Boards

Display

Assembly

Mass Storage

Devices

Miscellaneous

Cable Kit

Miscellaneous

Hardware Kit

Miscellaneous

Plastics Kit

Miscellaneous

Parts

Documentation

and Software

Description

 

 

Spare Part Number

 

 

 

 

1.

Heatspreader

158802-001

2.

Voltage Convertor Board

352891-001

3.

Modem 56K

Data/Fax w/o SRAM

400445-001

3.

Modem 56K

Data/Fax w/o SRAM-Intl

143848-001

4.

Processor AMD K6II

 

 

400-Mhz (Models: 1246, 1247, 1277, and 1278) 134079-001

433-Mhz (Models: 1277, 1278, and 1279) 158851-001

5. System Board w/512K Cache

32 MB 158793-001

64 MB 158794-001

6. Fan Assembly

Fan A 158800-001

Fan B 158801-001

Image 26
Contents Page Compaq Computer Corporation Preface Technician NotesProduct Description Compaq Presario Series Portable Computer isModels and Features MAH NiMHControls and Lights Front Bezel Lights Front Bezel Buttons Product Description Left Side ComponentsRight Side Components Bottom of Unit Rear Connectors Power Management for Windows PowTroubleshooting Follow the Preliminary Steps Run the Power-OnSelf-Test PostPreliminary Steps Run Computer CheckupClearing the Power-on Password Cover with Touch PadPower-On Self Test Post Running PostCompaq Diagnostics Computer Checkup TestContacting Compaq Support Shipping PreparationDiagnostic Error Codes Processor Test Error CodesTroubleshooting Without Diagnostics Before Replacing PartsMaintenance & Service Guide Solving Minor ProblemsSolving Power Problems Illustrated Parts Catalog Mass Storage Devices System UnitBoards Description Spare Part NumberDisplay Assembly Mass Storage Devices Miscellaneous Cables Kit Miscellaneous Cable Kit Spare Part NumberMiscellaneous Hardware Kit Spare Part Number 346853-001 Miscellaneous Hardware KitMiscellaneous Plastics Kit Miscellaneous Parts Feature Guide Documentation and SoftwareRemoval and Replacement Procedures Serial Number LocationRemoval and Replacement Procedures Electrostatic DischargeRemoval and Replacement Procedures Service ConsiderationsCables and Connectors CablesCAU Back to Cables and Connectors Ribbon cable position for the CD drive Ribbon cable position for the diskette drive Cable position for the speaker assembly Preparing the Computer for Disassembly Removing the Battery Pack Removal SequenceRemoving the Battery Pack Removing the Palmrest Cover with Touch Pad Removing the Palmrest Cover with Touch Pad Removing the Keyboard Removing the Processor ComputerRemoving the Processor To replace the processor, complete the following stepsRemoving the Heatspreader Removing the 4.3-GB or 4.8- GB Hard Drive Removing the 4.3-GB or 4.8-GB Hard Drive Removing the 4.3-GB or 4.8-GB Hard Drive Removing the CD Drive Removal and Replacement Procedures Return to Removal Replacement Procedures Removing Battery Charger Board Removing the Modem Removing the Modem Display Panel Assembly Removing Display Panel AssemblyRemoving the Display Panel Assembly Close the display panel assembly and push back on Removal and Replacement Procedures Lvds Removing the Upper CPU Cover Removal and Replacement Procedures Removing the Speaker Assembly Memory ModuleRemoving Diskette Drive Upper CPU coverRemoving Fan Assembly Removing the Fan Assembly Important the arrow located onElectrostatic Removing the System Board Removal and Replacement Procedures Remove two screws from the system board Removal and Replacement Procedures Return to Removal & Replacement Procedures Removing the Memory Module Removing the Memory Module Specifications Physical and EnvironmentalConnector Pin Assignments Pin SignalBattery Pack Operations Increasing Battery Pack Operating Time
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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.