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HP 2840, 2830, 2820 manual To change the ADF pickup roller assembly

Models: 2830 2820 2840

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Changing the automatic document feeder (ADF) pickup roller assembly

To change the ADF pickup roller assembly

If your automatic document feeder (ADF) has trouble feeding paper, you can replace the ADF pickup roller assembly. See Accessories and ordering information to order an ADF pickup roller assembly. To remove the existing assembly, use the following procedure:

1. Turn off the device and unplug the power cord.

2. Open the automatic document feeder (ADF) cover.

3.Press the round green button while lifting the green lever. Rotate the green lever until it stops in the open position. The old pickup roller assembly should remain on the surface.

4.Remove the old assembly and put the new one in exactly the same place. The largest roller goes in back, and the gear side is away from you.

ENWW	Changing the automatic document feeder (ADF) pickup roller assembly 197

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HP 2840, 2830, 2820 manual To change the ADF pickup roller assembly

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 agreements HP service informationHP Toolbox Software helpTable of contents Viii PrintingFax Scan Photo Xii Managing the device and maintenanceXiii Managing suppliesXiv Appendix a Accessories and ordering informationDevice basics Where to look for more information Quick access to device 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 HP Color LaserJet 2820 all-in-one printer, scanner, copier Control panelEnww Software Printer drivers Software and supported operating systemsHP Color LaserJet 2820/2830/2840 all-in-one software Software tips How do I gain access to the device features?How do I get the latest printing software? Software for WindowsWhat other software is available? Printer driversHP Toolbox Software for MacintoshHP Director PPDs Mac OSSoftware installation Typical installationEmbedded Web server EWS Minimum installation Using Add or Remove Programs to uninstall Uninstalling the printing softwareUninstalling 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 To load optional tray Loading optional trayTo load originals onto the flatbed scanner Loading documents to scanTo load originals into the automatic document feeder ADF Using the device control panel Changing the default media sizeChanging the device control-panel display language Changing the default paper tray configuration Using the device volume controlsTo 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 To print from Windows Printing from WindowsTo print from the Macintosh OS Printing from the Macintosh OSUsing the PCL printer-driver Help Windows only Selecting a sourceSelecting a type or size Creating and using Quick Sets Creating and using watermarksPrinting 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 Glossy paper Printing on special mediaColored paper Preprinted forms and letterheadHeavy paper EnvelopesHP LaserJet Tough paper LabelsTransparencies Printing on different paper for the first To duplex manually Printing on both sides duplexing 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 Managing color options Automatic versus Manual color adjustmentPrint 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 To change the default copy-collation setting Changing the 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 To enter text from the control panel Specifying the fax settingsTo set the fax header To set the time and dateTo adjust the resolution for the current fax job Sending faxesTo send a fax to one recipient To send a fax to multiple recipients To send a fax by using a group-dial entryTo 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 To redial manually Redialing 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 Receiving faxes To receive faxes when you hear fax tonesTo send a fax by dialing from a telephone Sending a fax by dialing from a telephoneTo change the default light/dark contrast setting Changing the default light/dark contrast settingTo change the default resolution setting Changing the default resolution settingTo change the default glass-size setting Changing the default glass-size settingTo select tone-dialing or pulse-dialing Selecting tone-dialing or pulse-dialing modeTo change the redial-on-communication-error option Changing the redial settingsTo change the redial-on-busy option To change the redial-on-no-answer optionReceiving faxes to your computer To turn off the receive-to-PC setting from the control panelTo set the answer mode Setting the answer modeTo change ring patterns for call answering Changing ring patterns for call answeringUsing the rings-to-answer setting Changing the rings-to-answer settingRecommended rings-to-answer setting To set the number of rings-to-answerTo change autoreduction for incoming faxes Changing autoreduction settings for incoming faxesTo block or unblock a fax number Blocking or unblocking fax numbersTo 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 delete group-dial entries To program group-dial entriesTo delete all phone book entries To delete an individual from a group-dial entryUsing dialing characters To insert a pauseButton number Characters To set the dial prefix Inserting a dial prefixTo send a delayed fax Sending a delayed faxTo change the detect-dial-tone setting Changing 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 To delete faxes from memory Deleting faxes from memoryTo use fax forwarding Using fax forwardingTo make an extension telephone available to receive faxes Making an extension telephone available to receive faxesTo poll request a fax from another fax machine Using fax pollingTo change the silence-detect mode Changing the silence-detect modeTo make stamp-received faxes available Creating stamp-received faxesTo change the error-correction setting Setting the fax-error-correction modeTo change the V.34 setting Changing the V.34 settingFax 117 ScanUnderstanding scanning methods Programming the device Scan to button Scanning from the device control panel WindowsScanning to e-mail Scanning to a folderEnww Canceling a scan job To view HP Director Scanning by using HP Director WindowsScanning from the device and HP Director Macintosh Scanning to a software program Scanning to a fileUsing page-by-page scanning Scanning from a TWAIN-enabled program Using TWAIN-compliant and WIA-compliant softwareScanning 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 Readiris Scanning by using optical character recognition OCR softwareResolution and color guidelines Scanner resolution and colorIntended use Recommended resolution Recommended color settingsColor Setting Recommended useEnww 133 10PhotoInserting 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 141 11How do I?Print How do I? Print on special media, such as glossy or photo paper Print on envelopes and custom media sizes Print on both sides of the paperClick 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 Photo How do I? Enable or disable memory cardsPrint a particular photo from a memory card Print all the photos that are stored on a memory cardSave photos from a memory card to my computer Use a proof sheetReduce or enlarge an original Copy How do I?Send a fax from the device Fax How do I?To change default fax receive settings To change default fax send settingsAnswer Mode Automatic Create a fax coverTo create a cover page template Send a fax from my computerTo create a cover page from a program Click Pages in Document TrayTo send a fax from HP Toolbox Receive faxes to my computerTo send a fax from the HP LaserJet Send Fax software To send a fax directly from another programTo set up speed dials Set up speed dialsForward received faxes to another fax number Click Fax Phone BookAdd or delete a contact View and print previously received faxesTo add a contact Click Fax Receive LogTo delete a contact Import contacts from another sourceCreate a new group list Standard Fine Super Fine Photo Scan How do I? Set up the Scan to button on the control panelScan from the device control panel Save a scan to a folder on my computerAdd or edit e-mail addresses for scanning to e-mail Send a scan to an e-mail messageAdd or edit folders for scanning to a folder To add an e-mail addressTo edit a folder To add a folderOther How do I? Clean the paper pathReceive toner warnings from the device at my computer Receive toner warning e-mail messages from the deviceClick the Troubleshooting Tools link Restore factory-set default settingsView the control-panel menu items for the device Replace print cartridgesEnww Replace the imaging drum Enww To clear a media jam inside the device Clear jamsTo clear output area jams Enww To clear a media jam from the automatic document feeder ADF Enww Click Continue Order new suppliesEnww 177 12Managing the device and maintenanceInformation pages ConfigurationDemo UsageSupplies Status Enww To view HP Toolbox HP ToolboxStatus tab Fax tabScan to tab Documentation tab Troubleshooting tabDevice Settings pages System Settings tabPrint Settings tab Copy Settings tab Fax Settings tabNetwork Settings tab HP Toolbox linksTo view Macintosh Configure Device Macintosh Configure Device Mac OS 10.2Embedded Web server FeaturesPrinting the fax activity log Fax logs and reportsPrinting 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 Printing a phone book report Including the first page of each fax on the fax call reportPrinting the billing-code report Printing the block-fax listPrinting all fax reports To print the block-fax listTo print all fax reports To clean the exterior Cleaning the deviceTo clean the scanner glass To clean the lid backingCleaning the paper path To clean the paper path from the device control panel To clean the paper path from HP ToolboxTo change the ADF Changing the automatic document feeder ADFEnww To change the ADF pickup roller assembly See Service and support To clean the ADF pickup roller assembly Enww 201 13Managing suppliesChecking status and ordering supplies To check status and order supplies by using HP ToolboxStoring supplies Replacing and recycling supplies HP policy on non-HP supplies Resetting the printer for non-HP suppliesHP fraud hotline To replace a print cartridge Changing a print cartridgeEnww To change the imaging drum Changing the imaging drumEnww 211 14TroubleshootingSupport strategy Troubleshooting checklist Troubleshooting processStep Verification step Number Is the power on? Possible problemsDoes the device copy? Do information pages print?Does the device print from the computer? Does the device receiveDoes the device recognize and print from a memory card? Possible problems SolutionsControl panel messages Alert and warning messagesAlert and warning messages Device error. Enter to Comm. errorEngine error Communication errorFax was busy. The device has canceled Control panel message Description Fax is busy Canceled sendFax memory full Canceling recv Sending the faxFax recv. error Mem. low 1 copy Press cancel Control panel message Description Fax Send errorFit to Page on flatbed only Group dial not allowed in groupNo fax answer Redial pending No document sentPaper jam in area Control panel message Description Photo Job Pending Scanning error Cannot connectPhotos Not Found Proof Sheet Flatbed OnlyCritical error messages Critical error messagesErrors Hardware error Fan Error Turn off then on Control panel message Description Scanner ErrorError Turn off then on 54.2, 55.1, 59.16, 59.192Control panel message Description Engine error ErrorSensor error Clearing jams Where to look for 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 Media might not meet HP specifications ProblemPaper tab and set Type is to Printed page contains Solving issues with color documents Device might not be correctly configured Print-media guidelines Media-handling problemsSolving print-media problems Problem Cause Solution Performance problemsSee Media-handling problems Scan problems Solving scanned image problemsCause Solution Part of the image did not scan Preventing problems Scan quality 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 Problems receiving faxes Fax problemsFax 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 Missing or wrong files Memory card problemsIndex page not printing Proof sheet not printingProof sheet not scanning Issues with photo printingWrong photo printed Photo did not print Scanner did not read proof sheet Troubleshooting tools Device pages and reportsFax reports Fax call report Fax activity logPhone book report Billing-code reportTroubleshooting tab Service menuRestoring the factory-set defaults To view HP ToolboxTo restore the factory-set defaults Cleaning the paper pathTo clean the paper path Protocol traceWas the device exposed to an electric or magnetic field? Becomes blankAccessories and ordering Information273 Product name Description SuppliesProduct name Description Part number MemoryCable and interface accessories Paper-handling accessories Inkjet paper is not recommended for this device Paper and other print mediaUser-replaceable parts Print problemsSupplementary documentation User guidesLanguage Part number Hewlett-Packard limited warranty statement Service and supportAppendix B Service and support Print Cartridge and Imaging Drum Limited Warranty Statement Enww HP maintenance agreements Availability of support and serviceOnsite service agreements Priority Onsite ServiceEnww Physical specifications Device specificationsSupplies specifications Electrical specificationsSound Power Level Declared per ISO 9296 Environmental specificationsRecommended Operating Storage SPL-Bystander Position Declared per ISO 9296Introduction Regulatory informationTelephone Consumer Protection Act United States IC CS-03 requirements EU statement for telecom operation New Zealand telecom statements Ozone production Environmental Product Stewardship programEnergy consumption HP LaserJet printing suppliesNon-U.S. returns Paper Material restrictions NederlandsTaiwan Product Options Declaration of conformityHP Color LaserJet 2830 and 2840 all-in-one Laser safety statement Country-/region-specific safety statementsCanadian DOC statement Korean EMI statementLaserturvallisuus Luokan 1 Laserlaite Klass 1 Laser Apparat Finnish laser statementADF GlossaryIsdn Twain USB Index Symbols/NumericsEnww Enww Enww Enww ADF Enww Enww Enww See also trays Enww Enww Page Q3948-90901