HP 435, 431, 436, 430 manual Removal and replacement procedures

Page 46

CAUTION: To prevent damage to the computer when you are removing or installing internal components, observe these precautions:

Keep components in their electrostatic-safe containers until you are ready to install them.

Before touching an electronic component, discharge static electricity by using the guidelines described in this section.

Avoid touching pins, leads, and circuitry. Handle electronic components as little as possible. If you remove a component, place it in an electrostatic-safe container.

The following table shows how humidity affects the electrostatic voltage levels generated by different activities.

CAUTION: A product can be degraded by as little as 700 V.

Typical electrostatic voltage levels

 

 

Relative humidity

 

 

 

 

 

Event

10%

40%

55%

 

 

 

 

Walking across carpet

35,000 V

15,000 V

7,500 V

 

 

 

 

Walking across vinyl floor

12,000 V

5,000 V

3,000 V

 

 

 

 

Motions of bench worker

6,000 V

800 V

400 V

 

 

 

 

Removing DIPS from plastic tube

2,000 V

700 V

400 V

 

 

 

 

Removing DIPS from vinyl tray

11,500 V

4,000 V

2,000 V

 

 

 

 

Removing DIPS from Styrofoam

14,500 V

5,000 V

3,500 V

 

 

 

 

Removing bubble pack from PCB

26,500 V

20,000 V

7,000 V

 

 

 

 

Packing PCBs in foam-lined box

21,000 V

11,000 V

5,000 V

 

 

 

 

38

Chapter 4 Removal and replacement procedures

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Contents HP 430 and HP 431 Notebook PC Compaq 435 and Compaq Copyright 2011 Hewlett-Packard Development Company, L.P Safety warning notice Iv Safety warning notice Table of contents Specifications Power cord set requirements 107 Viii Equipped with an AMD processor Intel processor Product Name Product descriptionCategory Description Computer models ProcessorsProduct description Equipped with an AMD processor Intel processorSouthbridge SB820M Northbridge ChipsetNorthbridge Southbridge ICH9mUnified Memory Architecture UMA internal graphics ATI Switchable discrete graphics notEquipped with an AMD processor Intel processor Graphics Discrete graphics AMD Radeon HDMemory Hard drivesAudio and video Optical driveEthernet Card Equipped with an AMD processor Intel processor WirelessExternal media PortsPointing devices PowerOperating Preinstalled System RequirementsServiceability End-user replaceable parts Display External component identificationCyberLink YouCam CyberLink YouCam Component Description Internal microphone Records sound ButtonComponent Keys Component DescriptionLights TouchPad Left side Environmental NoticesRight side Bottom Illustrated parts catalog Service tagDescription Function Helps a service technician to determine what Computer major components Power connector cable Power button board includes cablePlastics Kit, includes Component Spare part number Computer major components Battery Component Spare part number Wlan module Cable KitComponent Spare part number Cable Kit, includes 645968-001 Display assembly subcomponents Webcam/microphone module Component Spare part number 14.0-in, HD, LED display panelDisplay enclosure Mass storage devices Hard Drive Hardware Kit , includesComponent Spare part number HP Smart AC adapter Miscellaneous partsScrew Kit Sequential part number listing Plastics KitSpare part number Description Sequential part number listing Illustrated parts catalog Cables 646183-001 647317-001 Service considerations Removal and replacement proceduresPreliminary replacement requirements Tools requiredGrounding guidelines Drive handlingRemoval and replacement procedures Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Service tagComputer feet Battery Description Spare part numberWlan module Page Page Memory module Hard drive Page Page Optical drive select models only Page Keyboard Page Page Top cover Hard drive see Hard drive on Keyboard see Keyboard onPage Page Page Power button board TouchPad button board Page Speakers Page USB board Power connector cable Page Display assembly Page Page Page Page Page Page Page System board Processor and a graphics subsystem with discrete memoryPage Page Optical drive connector cable Page RTC battery Page Fan/heat sink assembly Processor and a graphics subsystem with UMA memoryPage Component replacement procedures Page Page Page Processor Description Spare part number Page Starting Setup Utility Setup Utility Bios and System DiagnosticsUsing Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Displaying system informationExiting Setup Utility Restoring factory settings in Setup UtilityUpdating the Bios Determining the Bios version Using System Diagnostics Specifications Computer specificationsInch display specifications Hard drive specifications Backup and recovery RestoreCreating restore media Performing a system restore Select Start All Programs Recovery Manager Recovery ManagerRestoring using the restore media Changing the computer boot orderBacking up and recovering your information Using Windows Backup and Restore Using Windows system restore pointsCreate a system restore point Power cord set requirements Requirements for all countriesRequirements for specific countries and regions Country/region Accredited agency Applicable note numberBattery RecyclingPage Page Page Page Page Index Hdmi Procedures
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435, 431, 430, 436 specifications

The HP 431, also known as the HP LaserJet 431, is a robust printing solution designed to meet the demands of small to medium-sized businesses. Renowned for its reliability and high-performance capabilities, this printer offers a variety of features and technologies that enhance productivity and streamline printing processes.

One of the standout features of the HP 431 is its impressive print speed. Capable of producing up to 40 pages per minute, it allows users to quickly generate high-quality documents without the long wait times associated with traditional printers. Additionally, the first page out time is remarkably quick, typically around 6 seconds, ensuring efficiency in busy office environments.

The print resolution of the HP 431 is another notable characteristic. With a maximum resolution of 1200 x 1200 dpi, it provides crisp text and sharp images, making it suitable for printing everything from professional documents to high-quality marketing materials. The device also supports automatic duplex printing, helping to conserve paper and reduce operational costs.

Connectivity is a crucial aspect of modern printing solutions, and the HP 431 excels in this area. It features multiple connectivity options, including USB, Ethernet, and wireless connectivity, allowing users to easily integrate the printer into their existing network. This versatility supports mobile printing solutions such as Apple AirPrint, Google Cloud Print, and HP’s own Smart App, enabling users to print directly from their smartphones and tablets.

In terms of user-friendly design, the HP 431 incorporates a straightforward control panel with a clear LCD display, making it easy to navigate settings and monitor printing processes. The printer's compact design helps it fit seamlessly into various office layouts, optimizing workspace efficiency.

Another significant feature is its advanced security protocols. The HP 431 comes equipped with built-in security features to protect sensitive data and prevent unauthorized access. This is particularly important for businesses handling confidential information.

Overall, the HP 431 is a powerful, efficient, and versatile printer that delivers exceptional performance for any business looking to enhance its printing capabilities. Its combination of speed, quality, connectivity, and security makes it a valuable addition to any office environment. As technology continues to evolve, the HP 431 stands as a testament to HP's commitment to providing innovative printing solutions that meet the dynamic needs of modern businesses.
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