Fujitsu C-4120 manual Display goes blank by itself after you have been using it

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L i f e B o o k C S e r i e s f r o m F u j i t s u

T r o u b l e s h o o t i n g

Problem

The built-in display is blank when you turn on your notebook (continued.)

Possible Cause

3.The angle of the display and the brightness settings are not adequate for your lighting conditions.

4.The power management timeouts may be set for very short intervals and you failed to notice the display come on and go off again.

5.The notebook turned on with a series of beeps.

Possible Solution

3.Move the display and the brightness control until you have adequate visibility.

4.Press any key or move the pointer, if this doesn’t work press the Suspend/Resume button. (The display may be shut off by Standby mode, Auto Suspend, or Video Timeout.)

5.Power On Self Test (POST) has detected a failure which does not allow the display to operate. Contact your support representative.

The display goes blank by itself after you have been using it.

1.The notebook has gone into Video timeout, Standby mode, Suspend mode or Save-to-Disk mode because you have not used it for a period of time.

2.Something is pushing on the Closed Cover switch. (See Figure 1-3 on page 5.)

3.The power management timeouts may be set for very short intervals and you failed to notice the display come on and go off again.

1Use the keyboard or pointer and if

that does not restore operation, push the

Suspend/Resume button. You may want

to close your application and go to the setup utility Power menu and adjust the timeout values to better suit your operation needs.

2.Clear the Closed Cover switch.

3.Press any key or move the pointer, if this doesn’t work press the Suspend/Resume button.

Five

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Contents Declaration of Conformity CopyrightU T I O N FCC NoticesTelephone Network DOC Industry Canada NoticesAvis Aux Utilisateurs Du Réseau Téléphonique Canadien E R T I S S E M E N T Black & White Cover To come B l e o f C o n t e n t s Starting Your Lifebook C Series from Fujitsu Using Your Lifebook C Series from FujitsuUser Installable Features Setting UP Your Lifebook C Series from FujitsuSection Five Section SIX Troubleshooting Care and MaintenanceB l e o f C o n t e n t s F e B o o k C S e r i e s f r o m F u j i t s u I N T Conventions Used in the GuideU T I O N F e B o o k C S e r i e s f r o m F u j i t s u Preface Viii Setting Up Your LifeBook C Series Unpacking Section OneOverview of Lifebook Series Features I N T For detailed specifications refer to Appendices on pages Component IdentificationTOP and Front Components Selector Internet Mail Power SwitchLEFT-SIDE Panel Components Anti-theft Lock SlotRIGHT-SIDE Panel Components Rear Panel Components Bottom Components Lithium ion Battery BayMain Unit and Configuration Label Starting Your LifeBook C Series from Fujitsu Connecting the Power Adapters Power SourcesStarting Your Lifebook For the First Time Adjusting the BrightnessPower On Display PanelGetting Started Booting the System with Windows 98 Second EditionRegistration Final SettingsFax it to Registering Your LifebookWhat are the benefits of registering? How do I register?Manuals Power OFFLearning about Your Operating System Application Software TutorialsRestarting the System Using Your LifeBook C Series from Fujitsu Power Indicator Status Indicator PanelBattery Indicator AC Adapter IndicatorHard Drive Access Indicator DVD/CD-ROM Drive Access IndicatorBattery Recharging the Battery Shorted BatteryLow Battery State ErgoTrac pointing device Integrated Ergotrac Pointing DeviceDouble-Clicking ClickingNumeric Keypad Using the KeyboardErgoTrac Pointing Device Control Adjustment DraggingFunction Keys Cursor KeysFn Key Floppy Disk Drive Volume ControlWindows Keys Ejecting a Floppy Disk Loading a Floppy DiskPreparing a Floppy Disk for Use Care of Floppy Disk Drive and Disks DVD or CD-ROM DriveLoading a DVD or CD Care of DVDs and CD-ROMs Lifebook Application PanelInternal Modem Hard DriveFormatting the Hard Drive Using the Suspend/Resume Features Power ManagementI N T Standby Mode Save-to-Disk Mode Idle Mode Data Security McAfee VirusScan PRE-INSTALLED SoftwareLapLink Professional Quicken 99 BasicPMSet Boot SequenceMicrosoft Works Microsoft Press Interactive TrainingIdentifying the Drives Bios Setup UtilityDrive Designators Your SAVE-TO-DISK File Allocation Entering the Setup UtilityResetting to Default Values Bios GuideSelect 6. Safe mode command prompt only, then press Enter Resetting the Save-to-Disk Parameters E r Install a b l e F e a t u r e s Lithium ion Battery Lithium ION BatteryWarm Swapping Replacing the Battery Replacing the BatteryPC Cards Installing PC Cards in Your NotebookCaring for PC Cards Installing and Removing a PC Card To install a PC CardMicrophone Parallel Port DevicesSerial Port Devices USB DevicesMOUSE, Keyboard or Keypad HeadphonesStereo Line in Device Telephone LinesTo Install a Memory Upgrade Module Memory Upgrade ModuleTheft Prevention Lock U T I O N To Replace the original system memory To Remove a Memory Upgrade ModuleChecking the Computer Recognition of New Memory Capacity Slot DisplayedC t i o n F o u r Troubleshooting Identifying the Problem TroubleshootingProblem Specific ProblemsUsing PC-Doctor User Problem GuidesDVD/CD-ROM Drive Problems Problem Audio Problems Possible CausePossible Solution Hard Drive Problems Problem Floppy Disk Drive ProblemsKeyboard or Mouse Problems Memory Problems Problem Possible CauseModem Problems Problem Parallel, Serial, and USB Device Problems Problem PC Card Problems Problem Possible Cause Power Failures You turn on your notebook and nothing seems to happen See Figures 3-1 and 3-2 on pages Problem Possible Cause Possible SolutionProblem Possible Cause Possible Solution See Batteries on Problem Shutdown and Startup Problems Video Problems Possible Cause Display goes blank by itself after you have been using it See External Monitor on Miscellaneous Problems Extended RAM Failed at offset nnnn Power on Self Test MessagesFixed Disk x Failure or Fixed Disk Controller #*Previous boot incomplete Default configu #*Press F1 to resume, F2 to Setup isMonitor type does not match Cmos Run System Cmos checksum bad run Setup System Bios shadowed System Bios copiedUMB upper limit segment address nnnn Emergency CD-ROM Tray Release Modem Setup and CommandsRestoring Your Pre-installed Software from CD-ROM Recovery CD-ROMTo Run the Emergency Recovery Program Device Drivers, Utilities and Read-me Files R e a n d M a i n t e n a n c e Caring for Your Notebook Caring for Your Batteries Increasing Battery LifeC t i o n S i Specification s a n d G l o s s a r y Lifebook C Series General Specifications WarrantyMemory Displays Input/Output ConnectionsKeyboards Environmental Requirements PRE-CONFIGURED ModelsPower DimensionsCmos RAM BiosGlossary CD-ROMDMI CRTDimm DMALAN FCCIDE IRQNtsc MidiPcmcia Post RAM ROMSdram VGA SramSvga TFTD e CD-ROM DMA LAN USB 106

C-4120 specifications

The Fujitsu C-4120 is a state-of-the-art multifunction printer designed to cater to the needs of modern businesses, providing exceptional functionality, unparalleled speed, and advanced technology in a compact and efficient package. This printer is engineered to deliver high-quality printing, scanning, copying, and faxing capabilities, making it an ideal solution for busy office environments.

One of the standout features of the Fujitsu C-4120 is its impressive printing speed. With the ability to produce up to 40 pages per minute, the C-4120 ensures that users can meet high-volume printing demands without compromising on quality. The first print-out time is remarkably quick, often taking as little as 6 seconds from standby, which significantly enhances productivity.

Featuring advanced laser printing technology, the C-4120 produces sharp, high-resolution prints with crisp text and vibrant colors. The printer supports a wide range of media types and sizes, including envelopes, labels, and various paper weights, further enhancing its versatility. With a maximum print resolution of 1200 x 1200 dpi, users can expect professional-quality outputs suitable for reports, presentations, and marketing materials.

In terms of scanning capabilities, the Fujitsu C-4120 is equipped with a robust scanner that allows for both flatbed and sheet-fed scanning. This feature enables users to digitize documents quickly and effectively, with support for various file formats such as PDF, JPEG, and TIFF. The scanner's dual-side scanning capability can streamline workflows, allowing for faster processing of multi-page documents.

The C-4120 ups the ante in connectivity options, supporting USB, Ethernet, and wireless connections to facilitate seamless integration into any office setup. It also features mobile printing capabilities that enable users to print directly from smartphones and tablets, enhancing convenience for those on the go.

Furthermore, the printer is designed with energy efficiency in mind, incorporating Fujitsu's Eco-Friendly technologies that minimize power consumption without sacrificing performance. This commitment to sustainability not only reduces operational costs but also contributes to a greener business footprint.

The Fujitsu C-4120 is not just about performance; it also prioritizes user-friendliness with an intuitive touch screen interface that simplifies navigation through its various functions. Its compact design makes it suitable for various office layouts, ensuring that businesses can maximize their space effectively.

Overall, the Fujitsu C-4120 stands out as a reliable and efficient multifunction printer that meets the diverse needs of businesses, combining high performance with advanced technology and user-centric features.
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