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HP 2840, 2830, 2820 manual Becomes blank, Was the device exposed to an electric or magnetic field?

Models: 2830 2820 2840

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● Identification is the phone number to which a fax is sent. ● Result explains the status of the fax:

● “OK” means that the fax was successful.

● “Pending” faxes are in memory or are printing.

● An error code means that your device might need service. Contact HP Customer

		Care. See Service and support or the flyer that came in the printer box.
	The device control panel display has black lines or dots, or
	becomes blank
	Static electricity can cause unexpected black lines or dots to appear on the device control
CAUTION
	panel display. Do not touch the device control panel display if there is a chance that you
	have collected a static electric charge (for example, by walking on carpet in a low-humidity
	environment).
	Was the device exposed to an electric or magnetic field?
	Unexpected lines or dots might appear on the device control panel display, or the display
	might become blank if the device is exposed to an electric or magnetic field. To resolve this
	problem, perform the following procedure:
	1.	Turn the device off.
	2.	Remove the device from the electric or magnetic field.
	3.	Turn the device on again.

272 Chapter 14 Troubleshooting

ENWW

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HP 2840, 2830, 2820 manual Becomes blank, Was the device exposed to an electric or magnetic field?

Contents

HP Color LaserJet 2820/2830/2840 Page User Guide Copyright and License Trademark Credits Page Service and support HP direct ordering for accessories or suppliesCustomer self-repair HP service information HP service agreementsHP Toolbox Software helpTable of contents Printing ViiiFax Scan Photo Managing the device and maintenance XiiManaging supplies XiiiAppendix a Accessories and ordering information XivDevice basics Quick access to device information Where to look for more informationSetting up the device Using the deviceQuick access to device information Device configurations HP Color LaserJet 2820 all-in-oneHP Color LaserJet 2830 all-in-one HP Color LaserJet 2840 all-in-one Device features Energy savings Economical printingSupplies Online user guide that is compatible with Device parts Front viewBack view Interface ports Control panel HP Color LaserJet 2820 all-in-one printer, scanner, copierEnww Software Printer drivers Software and supported operating systemsHP Color LaserJet 2820/2830/2840 all-in-one software How do I gain access to the device features? Software tipsSoftware for Windows How do I get the latest printing software?What other software is available? Printer driversSoftware for Macintosh HP ToolboxHP Director PPDs Mac OSSoftware installation Typical installationEmbedded Web server EWS Minimum installation Uninstalling the printing software Using Add or Remove Programs to uninstallUninstalling software for Macintosh Double-clickAdd or Remove ProgramsMedia specifications General guidelines Supported media weights and sizes Tray 1 specificationsMedia Dimensions Weight Capacity Optional tray 2 specifications Media Dimensions Weight or thickness CapacityAutomatic document feeder ADF paper sizes Printing and storage environment Enww Using the device Loading trays Loading trayTo load tray Loading optional tray To load optional trayLoading documents to scan To load originals onto the flatbed scannerTo load originals into the automatic document feeder ADF Using the device control panel Changing the default media sizeChanging the device control-panel display language Using the device volume controls Changing the default paper tray configurationTo change the default paper tray size To change the default paper tray typeTo change the alarm volume To change the volume for the faxTo change the ring volume of the fax To change the device control panel key-press volume Enww Printing Printing from Windows To print from WindowsPrinting from the Macintosh OS To print from the Macintosh OSUsing the PCL printer-driver Help Windows only Selecting a sourceSelecting a type or size Creating and using watermarks Creating and using Quick SetsPrinting in grayscale Printing multiple pages on one sheet of paper N-up printingReducing or enlarging Fit to Maximizing print speed for letter-size paper Selecting an output location Setting a custom paper size Printing on special media Glossy paperColored paper Preprinted forms and letterheadEnvelopes Heavy paperHP LaserJet Tough paper LabelsTransparencies Printing on different paper for the first Printing on both sides duplexing manually To duplex manuallyPrinting booklets To print bookletsOn the Finishing tab, select Print on Both Sides Enww Canceling a print job Enww Printing with color Changing the color settings Using color Media selectionHP ImageREt Automatic versus Manual color adjustment Managing color optionsPrint in Grayscale Manual color optionsHalftone options Neutral GraysRGB Color Matching colors Copy Starting a copy job Canceling a copy job Adjusting the copy quality To adjust the copy quality for the current jobTo adjust the default copy quality Adjusting the lighter/darker contrast setting To adjust the lighter/darker setting for the current jobTo adjust the default lighter/darker setting Reducing or enlarging copies To reduce or enlarge copies for the current job To change the default copy size Changing the copy-collation setting To change the default copy-collation settingTo change the default number of copies Changing the number of copiesTo change the number of copies for the current job Copying photos, two-sided originals, or books To copy a photoTo copy a multiple-page stack of two-sided originals To copy a book Fax Changing the silence-detect mode Specifying the fax settings To enter text from the control panelTo set the time and date To set the fax headerTo adjust the resolution for the current fax job Sending faxesTo send a fax to one recipient To send a fax by using a group-dial entry To send a fax to multiple recipientsTo send a fax to a group manually ad hoc faxing Using manual dial To use manual dial with the automatic document feeder ADFTo use manual dial with the flatbed scanner Redialing manually To redial manuallyCanceling a fax job To cancel the current fax jobTo cancel a fax job by using the Fax Job Status Sending faxes by using the software To send a fax from the software Windows 2000 or XPTo send a fax from the software Mac OS 10.2 or Fax To receive faxes when you hear fax tones Receiving faxesSending a fax by dialing from a telephone To send a fax by dialing from a telephoneChanging the default light/dark contrast setting To change the default light/dark contrast settingChanging the default resolution setting To change the default resolution settingChanging the default glass-size setting To change the default glass-size settingSelecting tone-dialing or pulse-dialing mode To select tone-dialing or pulse-dialingChanging the redial settings To change the redial-on-communication-error optionTo change the redial-on-busy option To change the redial-on-no-answer optionTo turn off the receive-to-PC setting from the control panel Receiving faxes to your computerSetting the answer mode To set the answer modeChanging ring patterns for call answering To change ring patterns for call answeringChanging the rings-to-answer setting Using the rings-to-answer settingRecommended rings-to-answer setting To set the number of rings-to-answerChanging autoreduction settings for incoming faxes To change autoreduction for incoming faxesBlocking or unblocking fax numbers To block or unblock a fax numberTo program speed-dial entries and one-touch keys To delete speed-dial entries and one-touch keys To program speed-dial entries or one-touch keys quicklyTo manage group-dial entries To program group-dial entries To delete group-dial entriesTo delete an individual from a group-dial entry To delete all phone book entriesUsing dialing characters To insert a pauseButton number Characters Inserting a dial prefix To set the dial prefixSending a delayed fax To send a delayed faxChanging the detect-dial-tone setting To change the detect-dial-tone settingUsing billing codes To change the billing-code settingTo use billing codes To change the fax reprint settings Reprinting a faxTo reprint a fax Deleting faxes from memory To delete faxes from memoryUsing fax forwarding To use fax forwardingMaking an extension telephone available to receive faxes To make an extension telephone available to receive faxesUsing fax polling To poll request a fax from another fax machineChanging the silence-detect mode To change the silence-detect modeCreating stamp-received faxes To make stamp-received faxes availableSetting the fax-error-correction mode To change the error-correction settingChanging the V.34 setting To change the V.34 settingFax Scan 117Understanding scanning methods Scanning from the device control panel Windows Programming the device Scan to buttonScanning to e-mail Scanning to a folderEnww Canceling a scan job Scanning by using HP Director Windows To view HP DirectorScanning from the device and HP Director Macintosh Scanning to a file Scanning to a software programUsing page-by-page scanning Using TWAIN-compliant and WIA-compliant software Scanning from a TWAIN-enabled programScanning from a WIA-enabled program Windows XP only To scan from a TWAIN-enabled programScanning a photo or a book Scanning a photoScanning a book Enww Scanning by using optical character recognition OCR software ReadirisScanner resolution and color Resolution and color guidelinesIntended use Recommended resolution Recommended color settingsSetting Recommended use ColorEnww 10Photo 133Inserting a memory card Changing default settings Changing job settings Printing photos directly from the memory card Printing photos from a proof sheet Printing an index Photo 11How do I? 141Print How do I? Print on special media, such as glossy or photo paper Print on both sides of the paper Print on envelopes and custom media sizesClick the System Settings tab Enww Set up the device and use it on the network Click Install HP Color LaserJet SoftwareNetwork How do I? Faxes Set my network password Click the Network Settings tabClick Password Enable or disable memory cards Photo How do I?Print a particular photo from a memory card Print all the photos that are stored on a memory cardUse a proof sheet Save photos from a memory card to my computerCopy How do I? Reduce or enlarge an originalFax How do I? Send a fax from the deviceTo change default fax send settings To change default fax receive settingsAnswer Mode Automatic Create a fax coverSend a fax from my computer To create a cover page templateTo create a cover page from a program Click Pages in Document TrayReceive faxes to my computer To send a fax from HP ToolboxTo send a fax from the HP LaserJet Send Fax software To send a fax directly from another programSet up speed dials To set up speed dialsForward received faxes to another fax number Click Fax Phone BookView and print previously received faxes Add or delete a contactTo add a contact Click Fax Receive LogImport contacts from another source To delete a contactCreate a new group list Standard Fine Super Fine Photo Set up the Scan to button on the control panel Scan How do I?Scan from the device control panel Save a scan to a folder on my computerSend a scan to an e-mail message Add or edit e-mail addresses for scanning to e-mailAdd or edit folders for scanning to a folder To add an e-mail addressTo add a folder To edit a folderClean the paper path Other How do I?Receive toner warnings from the device at my computer Receive toner warning e-mail messages from the deviceRestore factory-set default settings Click the Troubleshooting Tools linkView the control-panel menu items for the device Replace print cartridgesEnww Replace the imaging drum Enww Clear jams To clear a media jam inside the deviceTo clear output area jams Enww To clear a media jam from the automatic document feeder ADF Enww Order new supplies Click ContinueEnww 12Managing the device and maintenance 177Configuration Information pagesDemo UsageSupplies Status Enww HP Toolbox To view HP ToolboxStatus tab Fax tabScan to tab Troubleshooting tab Documentation tabDevice Settings pages System Settings tabPrint Settings tab Fax Settings tab Copy Settings tabNetwork Settings tab HP Toolbox linksMacintosh Configure Device Mac OS 10.2 To view Macintosh Configure DeviceFeatures Embedded Web serverFax logs and reports Printing the fax activity logPrinting a fax call report To print the fax activity logSetting print times for the fax call report To print a fax call reportTo set the print times for the fax call report Including the first page of each fax on the fax call report Printing a phone book reportPrinting the billing-code report Printing the block-fax listPrinting all fax reports To print the block-fax listTo print all fax reports Cleaning the device To clean the exteriorTo clean the scanner glass To clean the lid backingCleaning the paper path To clean the paper path from HP Toolbox To clean the paper path from the device control panelChanging the automatic document feeder ADF To change the ADFEnww To change the ADF pickup roller assembly See Service and support To clean the ADF pickup roller assembly Enww 13Managing supplies 201To check status and order supplies by using HP Toolbox Checking status and ordering suppliesStoring supplies Replacing and recycling supplies Resetting the printer for non-HP supplies HP policy on non-HP suppliesHP fraud hotline Changing a print cartridge To replace a print cartridgeEnww Changing the imaging drum To change the imaging drumEnww 14Troubleshooting 211Support strategy Troubleshooting process Troubleshooting checklistStep Verification step Number Is the power on? Possible problemsDo information pages print? Does the device copy?Does the device receive Does the device print from the computer?Possible problems Solutions Does the device recognize and print from a memory card?Control panel messages Alert and warning messagesAlert and warning messages Comm. error Device error. Enter toEngine error Communication errorControl panel message Description Fax is busy Canceled send Fax was busy. The device has canceledFax memory full Canceling recv Sending the faxFax recv. error Control panel message Description Fax Send error Mem. low 1 copy Press cancelFit to Page on flatbed only Group dial not allowed in groupNo document sent No fax answer Redial pendingPaper jam in area Scanning error Cannot connect Control panel message Description Photo Job PendingPhotos Not Found Proof Sheet Flatbed OnlyCritical error messages Critical error messagesControl panel message Description Scanner Error Errors Hardware error Fan Error Turn off then onError Turn off then on 54.2, 55.1, 59.16, 59.192Control panel message Description Engine error ErrorSensor error Where to look for jams Clearing jamsMedia jams occur in the device Tips to avoid media jamsFew sheets have been printed To clear output area jams Media jams occur in the automatic document feeder ADF Open the ADF cover Enww Print problems Print quality problemsImproving print quality Print-quality checklist General print quality issuesIdentifying and correcting print defects Problem Cause Print is light or faded HP specificationsSolution Problem Cause Problem Media might not meet HP specificationsPaper tab and set Type is to Printed page contains Solving issues with color documents Device might not be correctly configured Media-handling problems Print-media guidelinesSolving print-media problems Performance problems Problem Cause SolutionSee Media-handling problems Scan problems Solving scanned image problemsCause Solution Part of the image did not scan Scan quality problems Preventing problemsSolving scan-quality problems Problem Cause Blank pagesLoaded upside down Copy problems Preventing problemsImage problems From a faulty paper lot Media guides might be incorrectly adjusted More information Enww Fax problems Problems receiving faxesFax problems Received while the input tray is Problems sending faxes Faxes stop during sending Voice call problems Print is skewed Pages are curled or wrinkled See Using the device volume controls Memory card problems Missing or wrong filesIndex page not printing Proof sheet not printingIssues with photo printing Proof sheet not scanningWrong photo printed Photo did not print Scanner did not read proof sheet Troubleshooting tools Device pages and reportsFax reports Fax activity log Fax call reportPhone book report Billing-code reportService menu Troubleshooting tabRestoring the factory-set defaults To view HP ToolboxCleaning the paper path To restore the factory-set defaultsTo clean the paper path Protocol traceBecomes blank Was the device exposed to an electric or magnetic field?Accessories and ordering Information273 Supplies Product name DescriptionMemory Product name Description Part numberCable and interface accessories Paper-handling accessories Paper and other print media Inkjet paper is not recommended for this devicePrint problems User-replaceable partsSupplementary documentation User guidesLanguage Part number Service and support Hewlett-Packard limited warranty statementAppendix B Service and support Print Cartridge and Imaging Drum Limited Warranty Statement Enww Availability of support and service HP maintenance agreementsOnsite service agreements Priority Onsite ServiceEnww Device specifications Physical specificationsSupplies specifications Electrical specificationsEnvironmental specifications Sound Power Level Declared per ISO 9296Recommended Operating Storage SPL-Bystander Position Declared per ISO 9296Regulatory information IntroductionTelephone Consumer Protection Act United States IC CS-03 requirements EU statement for telecom operation New Zealand telecom statements Environmental Product Stewardship program Ozone productionEnergy consumption HP LaserJet printing suppliesNederlands Non-U.S. returns Paper Material restrictionsTaiwan Declaration of conformity Product OptionsHP Color LaserJet 2830 and 2840 all-in-one Country-/region-specific safety statements Laser safety statementCanadian DOC statement Korean EMI statementFinnish laser statement Laserturvallisuus Luokan 1 Laserlaite Klass 1 Laser ApparatGlossary ADFIsdn Twain USB Symbols/Numerics IndexEnww Enww Enww Enww ADF Enww Enww Enww See also trays Enww Enww Page Q3948-90901