HP 1242, 1234 manual Boards, System Unit

Page 26

Presario 1200 Series

Models: 1234, 1235, 1236, 1237, 1238, 1240, 1242, 1250, and 1252

Before You Begin	Specifications	Parts Catalog


Removal Sequence	Troubleshooting	Battery Operations

		Index
Product Description	Pin Assignments	Index

Boards

Display

Assembly

Mass Storage

Devices

Miscellaneous

Cable Kit

Cables Miscellaneous

Hardware and

Plastics Kit

Miscellaneous

Parts

Documentation

and Software

Modem, K-56.0 Kbps Data/Fax w/o SRAM 138659-001

Image 26

Contents Removal Sequence Before You BeginParts Catalog IndexIndex Symbols PrefaceProduct Description Specifications Parts CatalogProduct Description Models and Features AMD-K6 266 MMXModels and Features Controls Lights Controls and LightsFront Bezel Lights Left Side Components Models Features Controls LightsLeft Side Components Card Diskette Eject Drive Lever Slot ButtonRight Side Components Models Features Controls Lights Left Side ComponentsBattery CD Drive Compartment Right Side ComponentsBottom Unit Rear Connectors Power Management For Windows Bottom of UnitBottom of Unit Memory Feet CompartmentPower Management For Windows Rear Connectors Rear ConnectorsRear Connectors Power Management for Windows Troubleshooting PostPreliminary Steps Power-On Self Test Post Running PostDiagnostic Error Codes View System Information Inspect Compaq DiagnosticsComputer Checkup Test AudioContacting Compaq Support Shipping PreparationTroubleshooting Without Diagnostics Before Replacing PartsSolving Minor Problems Solving Printer Problems Solving PC Card ProblemsSolving Power Problems Solving Touch Pad/Pointing Device ProblemsBattery Pack Operating Time Connector Pin Assignments Illustrated Parts Catalog System Unit System UnitBoards BoardsSystem Unit System Unit Boards Display AssemblyDisplay Assembly Mass Storage Devices System Unit Boards Display AssemblyMass Storage Devices Miscellaneous Cable Kit Miscellaneous Cables KitMass Storage Devices Cables Power CordCables Miscellaneous Parts Documentation Software Miscellaneous Hardware and Plastics KitsMiscellaneous Hardware Plastics Kit Documentation Software Miscellaneous PartsMiscellaneous Parts Documentation Documentation and SoftwareInfo. Not Available QuickFind Part Number SuffixRemoval and Replacement Procedures Serial Number LocationElectrostatic Discharge Generating StaticService Considerations To service the computer, you need the followingCables Cables and ConnectorsRemoving a Cable from a ZIF Connector Select the desired illustrationZIF Connectors Maintenance & Service Guide Ribbon cable position for the CD drive Ribbon cable position for the diskette drive Back to Cables and Connectors Removing the Battery Pack Battery PackTo replace the battery Battery pack tabRemove the battery Previous proceduresRemoving the Palmrest Cover with Touch Pad Palmrest Cover with Touch PadBattery Operations Heatspreader Specifications Parts Catalog Removal SequenceRemoving the Heatspreader To remove the heatspreader, complete the following stepsTo remove the keyboard, complete the following steps Removing the KeyboardKeyboard Cable from the ZIF Connector onDisconnect the flex To replaceRemoving the Processor To remove the processor, complete the following stepsTo replace the processor complete the following steps Removing the 3.2-GB, 4.1-GB, and 6.4-GB Hard Drives Hard DrivesHard drive Disconnect the hardDrive data cable from Remove fromComplete the following To remove the hardDrive mounting bracket StepsRemoving the CD Drive Open the CD drive tray using a small paper clip Drive and remove Disconnect the CDDrive cable from the CD CD drive fromRemoving the Battery Charger Board Battery Charger BoardRemoving the Modem Modem DisconnectModem cable from To replace the modemRemoving the Display Panel Assembly Display Panel AssemblyCable attached to Display panel assemblyFrom the ZIF connector On the system boardTo the display panel Assembly fromBacklight cable attached Display panel Assembly and removeSupport the back Two screws from eachWhen removing Panel assembly withPanel assembly, reverse Assembly flexRemoving the Upper CPU Cover Upper CPU CoverRemoving the Speaker Assembly Speaker AssemblyDiskette Drive Fan Assembly System Board Dip Switch Settings Memory ModuleRemoving the Diskette Drive To remove the diskette drive, complete the following stepsBoard Diskette drive dataCable from the system To replace the disketteSystem Board Dip Switch Settings Memory Module Removing the Fan AssemblyFan Assembly Fan assembly Assembly, reversePrevious procedure To remove the fanTo remove the system board, complete the following steps Dip Switch Settings Memory ModuleRemoving the System Board System BoardRemove three Standoffs fromMounting rails Remove two screwsFrom the CD Drive Remove the mountingScrews from the system Forward to remove the system board from Pull the Pcmcia eject lever out straight, liftUp the right side of the system board and pull Specifications Removing the Memory Module Memory ModuleModule and unplug Pull side levers toRelease the memory Memory module fromIndex Presario 1200 SeriesStand-Alone Battery Pack Power Requirements DimensionsWeight AC Power RequirementsSystem Interrupts Hardware IRQ System FunctionAddress Hex System Function Shipping Configuration Hardware DMA System FunctionSystem Memory Catalog Memory Address System FunctionContrast Ratio Display DimensionsTotal Power Consumption BrightnessNumber of Read/Write Heads Memory Expansion System Memory Expansion Board Total MemoryCylinders High/Low Capacity Per Drive Information not availableTransfer Rate Logical ConfigurationSeek Times Capacity Per DriveNickel Metal Hydride NiMH Lithium Ion Li ion Dimensions Access TimeAverage Random Access Time Spin Up time Weight Battery Pack Operating Time Energy

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1242, 1234 specifications

The HP 1234 and HP 1242 are two impressive devices from Hewlett-Packard, designed primarily for home and small office users who need reliable printing solutions that combine efficiency with high-quality performance. Both models are tailored to meet modern printing demands, offering a variety of features and technologies that enhance usability and productivity.

One of the standout features of the HP 1234 is its compact design, making it an excellent choice for users with limited workspace. Despite its small footprint, this printer boasts a robust set of functionalities. It supports wireless connectivity, allowing users to print from their smartphones, tablets, and laptops without the hassle of tangled cables. The setup is straightforward, making it easy for even the most tech-challenged individuals to get started.

The HP 1242 expands upon this by incorporating additional features suited for higher volume printing tasks. It includes automatic duplex printing, enabling users to print double-sided documents effortlessly, which helps save both paper and costs. Both models support a range of media types, including glossy photo paper and envelopes, making them versatile for various printing needs.

In terms of print quality, the HP 1234 and 1242 employ advanced inkjet technology that produces sharp text and vibrant images. The color accuracy and detail provided by these printers make them suitable for printing everything from professional documents to high-resolution photos. With print speeds of up to 20 pages per minute for black and white documents, both models are designed for efficiency, helping users complete their tasks quickly.

Moreover, the HP Smart App enhances the printing experience, offering users the ability to manage print jobs, scan documents, and even order supplies directly from their devices. This innovation simplifies the entire printing process, adding to the overall user-friendliness of both models.

Energy efficiency is another characteristic that sets the HP 1234 and 1242 apart. They are designed to minimize power consumption, making them environmentally friendly options for consumers who wish to reduce their carbon footprint.

In summary, the HP 1234 and 1242 printers exemplify HP's commitment to providing efficient, high-quality printing solutions. With their compact designs, wireless capabilities, advanced inkjet technology, and user-friendly features, they are ideal choices for home and small office use, effectively meeting a variety of printing needs while remaining economically and environmentally efficient.