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HP Pro 4300 C9H70UT C9H70UT#ABA Stapler/stacker LED is, Error applies to the stapler/stacker

Models: Pro 4300 C9H70UT C9H70UT#ABA

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HP Pro 4300 C9H70UT C9H70UT#ABA Stapler/stacker LED is, Error applies to the stapler/stacker, Only, Stapler/stacker only

Contents

Hp LaserJet Page Service Copyright Information Q2431-90912Table of contents Printer operation Removing and replacing parts Troubleshooting Index Viii Table of contents Q2431-90912 List of figures List of figures Q2431-90912 Q2431-90912 List of figures Xii List of figures Q2431-90912 Q2431-90912 List of figures Xiv List of figures Q2431-90912 List of tables Xvi List of tables Q2431-90912 Q2431-90912 List of tables Xviii List of tables Q2431-90912 Printer description ContentsPrinter description Q2431-90912 Product configurations Printer configurationsSample model and serial number label Model and serial numbersSite requirements Printer specificationsPrinter physical dimensions Physical dimensionsPrinter weights Printer weights without print cartridgeOff Circuit requirements HP LaserJet 4200 series General specifications Description HP LaserJetHP LaserJet 4300 series Acoustic ratingsPurchasing a large quantity Paper specificationsB5 ISO Supported sizes and weights of mediaTray 1 Media specifications Envelope feeder accessory Size Dimensions Duplex accessory media specifications Size Dimensions WeightStacker and stapler/stacker do not support card stock Symptom Problem with paper Solution Guidelines for using paperSupported types of media Submenu onPaper weight equivalents Paper weight equivalence tableOverhead transparencies LabelsEnvelope construction EnvelopesEnvelopes with double-side-seams Envelopes with adhesive strips or flapsEnvelope margins Card stock and heavy paperEnvelope storage Card stock constructionTypes of print media to avoid Print cartridge and toner safety Safety informationLaser safety Laser safety statement U.SEMI statement Korea Vcci statement Japan Luokan 1 laserlaite Klass 1 Laser Apparat Laser statement FinlandVaroitus VarningFCC regulations Regulatory informationEnvironmental product stewardship program Material restrictions Material Safety Data Sheet For more informationReturns Non-U.S. returns Declaration of Conformity Declarations of ConformityCanadian DOC regulations Service approach Parts and supplies Service approachOrdering information Related documentation and software SupportHP-authorized resellers and support HP service agreementsHP PartnerCare Africa and Middle East Worldwide service and support officesRefilled print cartridges Print-cartridge informationRecycling print cartridges ReturnsHP Product Duration of Warranty Hewlett-Packard limited warranty statementLimited warranty for toner cartridge life Service approach Q2431-90912 Printer operation Control-panel layout Using the control panelControl-panel lights Control-panel lights Light IndicationControl-panel buttons Using the printer Help systemControl-panel buttons Button Function Setting the control-panel display language Settings and defaultsSettings and defaults Setting or default ExplanationOverview Control-panel menusPrinting and changing control-panel menus To print a control-panel menu mapTo change a control-panel setting Information menu Retrieve Job menuRetrieve job menu Values Explanation Information menu ExplanationPaper-handling menu Values Explanation Paper Handling menuTray N Type ANY Printing submenu Configure Device menuPrinting submenu Values Explanation PCL submenu Values Explanation PCL sub-submenu a submenu in the printing submenuPrint quality submenu Values Explanation Print Quality submenuLines on page 321 and Blurred print on 321 and Blurred print on page 321 . HPUse the Resolution Enhancement technology REt System setup submenu Values Explanation System Setup submenuAuto Continue to on Stapler stacker submenu Values Explanation Stapler/stacker submenuO submenu Values Explanation SubmenuPrinter maintenance Location of the transfer roller do not touch Cleaning the printer and accessoriesCleaning the printer Component Cleaning method/notes Cleaning the fuserTo run the cleaning page manually Running the cleaning page manuallyCleaning spilled toner Running the cleaning page automaticallyTo run the cleaning page automatically Resetting the maintenance-kit counter Performing preventative maintenanceMaintenance kit part numbers Part name Part number Expected life of components Removing and replacing the stapler unit Maintaining the stapler unitTo remove and replace the stapler unit Replacing the stapler unit 2 To load staples Loading staplesDownloading a remote firmware update Printer maintenance Q2431-90912 Theory of operation Theory of operation Q2431-90912 Basic operation of the printer IntroductionPrinter operating sequence Pickup and feed system overview Control system overviewLaser/scanner system overview Image formation system overviewDC controller PCA General descriptionsMotor Motor and fan controlFan Fuser-control circuit Power supplyFuser over-temperature protection circuit block diagram Fuser over-temperature protectionHigh-voltage circuit High-voltage circuit block diagramLow-voltage circuit Low-voltage circuit block diagramToner detection Overcurrent/overvoltage protectionCartridge detection Cartridge memoryLaser/scanner assembly Laser/scanner assemblyLaser/scanner control Laser control circuit block diagramPaper pickup system Printer paper pickup and feed block diagramPaper pickup and feed block Paper pickup/feed and fuser/delivery block diagramPrinting from tray Tray 1 timing diagramsQ2431-90912 Theory of operation Tray 1 pickupTray 2 timing diagrams Tray 2, 500-, 1,500-sheet feeder media size detection No cassette installedMultiple feed prevention Lifter-driver operationCorrecting skewed media pages Media skew preventionFixing/delivery block Paper pickup/feed and fuser/delivery block diagramPrinter jam detection Printer pickup delay jam from trayPrinter pickup stationary jam Printer delivery wrap jam when feeding non-regular media Printer delivery wrap jam when feeding regular mediaPrinter delivery delay jam Printer residual media jam Printer door open jamSheet feeder pickup and feeding Printing from the 500-sheet feederSheet feeder pickup and feed diagram Printing from the 1,500-sheet feeder 500-sheet feeder I/O block diagram500-sheet feeder pickup and feed diagram 500-sheet feeder lifting mechanism Sheet feeder lifting mechanismEnvelope feeder Envelope feeder I/O block diagramEnvelope feeder pickup and feeding Envelope feeder pickup and feed diagramEnvelope feeder jam detection Envelope feeder pickup delay jamEnvelope feeder pickup stationary jam Duplexer Duplexer I/O block diagramReversing and duplexer pickup Duplexer pickup and reversing diagramDuplexer jam detection Stacker and stapler/stacker paper path Stacker and stapler/stackerPower-on sequence for the stacker and stapler/stacker Stacker Stacker driver PCA block diagramStacker feed and delivery SwitchStacker components Component Purpose SolenoidStacker feed jam Stacker jam detectionStacker feed stationary jam Stacker residual media jamStapler/stacker Stapler/stacker driver PCA block diagramStapler/stacker components Component Purpose Stapler/stacker feed and deliveryStapler/stacker motors, solenoids, and sensors block diagram Staple mode feed and delivery diagram 1 Staple mode feed and deliveryStaple mode feed and delivery diagram 2 Staple mode feed and delivery diagram 4 Staple mode feed and delivery diagram 6 Stapler unit Stapler unit I/O block diagramStapler unit Stapler unit operationFront view Staple operation 3 Staple operation 2Staple level detection Stack mode feed and deliveryStapler/stacker feed jam Stapler/stacker jam detectionStapler/stacker feed stationary jam Stapler/stacker delivery jamImage-formation system Image formation block diagram Primary charging Electrostatic latent-image formationWriting the image to the photosensitive drum Writing the imageDeveloping the image Developing the imageTransferring the image Transferring the imageFusing the image Q2431-90912 Theory of operation Print cartridge memory chip Print cartridge memory chipResolution Enhancement technology PowerSaveFormatter system Input/output EconoModePrinter memory Control panel PJL overviewRemoving and replacing parts Page Before performing service Removal and replacement strategyAfter completing service Required toolsScrew measurement guide Screws used in the printerPhillips machine screw with captive star washer Phillips screw with self-tapping threadsParts-removal tree Access to the transfer assembly and to the registrationLocation of printer, input trays, and cabinet wheel locks Printer input tray, and cabinet wheel locksPrint cartridge User-replaceable partsPrint cartridge 1 Open the control-panel door and tray Transfer rollerTray 1 pickup roller 1 Tray 1 pickup rollerTray 1 separation pad Tray 1 separation padTray 2 feed rollers 2 Tray 2 feed rollersTray 2 feed rollers 3 Covers, tray 1, and the rear output bin Accessory covers and the tray 2 extension doorAccessory covers 3 Formatter cover Top cover 1 Top coverTop cover 4 Top cover 3Top cover 5 Right-side cover 1 Right-side coverRight-side cover 3 Left-side cover 1 Left-side coverTray 1 1 TraySlide the tray 1 door to the right and remove it Tray 1 3 Slide the paper guide to the left to remove it Tray 1 5Tray 1 6 Rear output bin 1 Rear output binControl-panel overlay Control-panel displayControl-panel assembly 1 Control-panel assemblyControl-panel assembly 2 Control-panel assembly 4 Firmware Dimm Internal componentsFirmware Dimm Formatter assembly Formatter assemblyFuser Output delivery assembly rear view, formatter side 1 Output delivery assemblyOutput delivery assembly 2 Duplexing pendulum assembly 1 o Duplexing pendulum assemblyDuplexing pendulum assembly 2 Tray 2 media-size sensor 1 Tray 2 media-size sensorMain cooling fan 1 Main cooling fan left sideMain cooling fan 3 Cooling fan HP LaserJet 4300 series only 1 Cooling fan right side HP LaserJet 4300 series printer onlyCooling fan HP LaserJet 4300 series only 3 Cooling fan HP LaserJet 4300 series only 5 Laser/scanner 1 Laser/scanner 4 Laser/scanner 3Print-cartridge motor HP LaserJet 4300 series only 1 Print-cartridge motor HP LaserJet 4300 series printer onlyPrint-cartridge motor HP Laserjet 4300 series only 1 Main motor 1 Main motorRemove it Main motor 3 Tray 2 lifter-drive assembly 1 Tray 2 lifter-drive assemblyTray 2 lifter-drive assembly 2 DC controller PCA 1 DC controller PCA 2 Paper-pickup assembly 1 Paper-pickup assemblyPaper-pickup assembly 3 Paper-pickup assembly 5 Main drive assembly 1 Main drive assemblyMain drive assembly 2 Power supply right side 1 Power supply 2 Power supply tray 2 cavity 4 Paper-feed belt assembly 1 Paper-feed belt assemblyTray 1 pickup assembly 1 Tray 1 paper-pickup assemblyTray 1 pickup assembly 2 Tray 1 pickup assembly 4 Paper feed assembly 1 Paper feed assemblyPaper-feed assembly 2 Reinstall note Hint Registration assembly 1 Registration assemblyRegistration assembly 3 Transfer assembly 1 Transfer assemblyTransfer assembly left rear view 2 Transfer assembly 3 Transfer assembly 5 Sheet feeder assembly AccessoriesSheet feed rollers Sheet feeder right-side coverSheet feeder right-side cover 2 Sheet feeder right-side cover 4 Sheet feeder control PCA Sheet feeder control PCASheet feeder media-size sensor 1 Sheet feeder media-size sensorSheet feeder lifter-drive assembly 1 Sheet feeder lifter-drive assemblySheet feeder paper-pickup drive assembly 1 Sheet feeder paper-pickup drive assemblySheet feeder paper-pickup drive assembly 3 Sheet feeder paper-pickup drive assembly 5 Sheet feeder paper-pickup drive assembly 7 Sheet feeder separation roller Sheet feeder feed rollers500-sheet feeder door 1 Sheet feeder doorSheet feeder door 3 500-sheet feeder rear cover 1 Sheet feeder rear cover500-sheet feeder right-side cover 1 500-sheet feeder right-side cover 3 500-sheet feeder control PCA 1 500-sheet feeder media-size sensor 500-sheet feeder lifter-drive assembly 1 500-sheet feeder lifter-drive assembly 2 500-sheet feeder lifter-drive assembly 4 500-sheet feeder paper-pickup drive assembly Removing and replacing parts Q2431-90912 Troubleshooting Troubleshooting Q2431-90912 Q2431-90912 Troubleshooting Introduction Troubleshooting process Initial troubleshooting checklist Initial troubleshooting checklist Miscellaneous Troubleshooting flowchart 1 Troubleshooting flowchartTroubleshooting flowchart 2 Overview Power-on checksPower-on defect or blank display Problem Action Power-on defect or blank display Information pages Troubleshooting toolsSample menu map Menu mapConfiguration ConfigurationSupplies status Supplies statusEmbedded Web server Gaining access to the embedded Web serverInformation tab Settings tabNetworking tab Other links Printer Status and Alerts softwareTo view status messages and information To select status messagesResets submenu Using control-panel menusResets submenu Values Explanation Information see System Setup submenu onDiagnostics menu Values Explanation Diagnostics menuFor the HP LaserJet 4300 product Service menu service PIN codesRestoring the Service ID Service IDConverting the Service ID to an actual date Cold reset Printer resets and power-on modesTo perform a cold reset Nvram initializationHard-disk initialization Power-on bypassTo initialize the hard disk Skip disk loadSelf test Engine test Test pagesFormatter test EIO troubleshooting Interface troubleshootingCommunications checks Computer direct connect parallel testJetdirect JetdirectError messages Display-message troubleshootingCritical-error messages Status messagesAlphabetical printer messages Message Description Action Alphabetical printer messagesSee DC controller PCA on Top cover is open or the top Press the H ELP Button for Firmware Dimm on Dimm onSwitches and sensors on See Configuration page onSee Power supply on 336 , 500 -sheet feederFuser on Configuration page onSee Fuser on On page 241 to see if Stacker or stapler/stacker LED Blinks in amberSheet feeder media Size detection onPrinter has detected that an If the print cartridge appears LED blinks in amber Stacker or stapler/stackerStacker or stapler/stacker LED See Firmware Dimm on Power supply on Control PCA on Sheet feederSee 1,500-sheet feeder Amber this error applies to Error applies to the stapler/stackerStapler/stacker LED is OnlyOn page 340, or Tray was installed with Use the control panel to Configuration of tray XX. The tray Press the S Elect Select the Paper Handling Numerical printer messages Message Description Action Numerical printer messagesCartridge on See Paper-path Assembly sensor flag on Install the paper-feedSee Printer switches Sheet feeder switchesCorrectly install Printer switchesPaper-feed assembly sensor Location of printer switches336 and Fuser on See Location of printerRemoving and replacing Stapler/stacker LED blinksJAM in Output Device Tray 2 feed rollers on Functions to OFFDescription Drivers and Software . Check Replace the Dimm or ZZ Error Number Scanner assembly onFormatter assembly on Main fan error F1 Cartridge fan error F2Power supply Air temperature sensorDC controller Sensor. See Main coolingOr 59.4 EP Motor failure 59.00, 59.10, 59.20 MotorLJ 4300 only Feeder lifter-drive assembly Assembly. See Tray 2 lifterPrint-cartridge motor On page 209 or 1,500-sheetIs off 60.4Is continuously illuminated Settings and defaults onAmber Stapler unit onInitialize the hard disk on Initialize Nvram onCritical hardware error has Turn the printer off and then Jam locations Paper-path troubleshootingTo disable the paper-jam recovery Paper-jam recoveryAvoiding paper jams Common causes of paper jams Cause SolutionPersistent jams Basic troubleshooting for persistent jamsData collection Paper-path checklist General paper-path troubleshootingTo perform a paper- test Paper-path testCauses of tray 2 jams Solution Causes of tray 1 jams SolutionTray 1 paper-pickup assembly on Drive assembly on page 179 and/or PrinterJams in tray 3 and/or tray Causes of tray 3 and or tray 4 jams SolutionCauses of duplex path jams Solution Causes of paper-path jams SolutionDrive assembly on Jams in the paper pathCauses for multiple pages feeding Solution Media transport problemsCause Solution Multiple pages feedRegistration assembly on Causes for skewed paper SolutionPaper is skewed Print quality problems associated with media Image-formation troubleshootingPrint quality problems associated with jams Print quality problems associated with the environmentOverhead transparency defects HP paper specification Does the problem repeat on the page?Image defects Image qualityEconoMode Check the print cartridgeDrum rotation functional check Half self-test functional checkPrint quality image defects Image defect tablesPrint quality image defects Light print entire Possible cause Recommended action Light print partial Possible cause Recommended actionsDots in the paper path direction Specks or dots Possible cause Recommended actionHave this problem because they are not Might cause problems if the paper isCartridge Wrong toner density setting Wrong fuser setting for media typeHorizontal lines opposite the paper path direction Grey background Possible cause Recommended actions Distorted images Repeating defects and repeating imagesCurl or wave Possible cause Recommended actions Skew Possible cause Recommended actionsCreases Possible cause Recommended actions White lines opposite the paper path White spots on black Possible cause Recommended actions Line detail setting is turned offScattered lines Possible cause Recommended actions Blurred print Possible cause Recommended actionsBlack Replace the laser/scanner assembly. See Laser/scannerBlank or white Possible cause Recommended actions Turn over the stack of media in the tray. Also try rotating Dark printRepetitive defect ruler Repetitive defects troubleshootingInitial checks Troubleshooting the stacker and the stapler/stackerStacker and stapler/stacker paper path Jam errorsStacker paper path test Delivery area Printer connection areaDamaged Stapler/stacker paper path testQ2431-90912 Troubleshooting Malfunction errors Paper transport errorsPaper transport error troubleshooting Component errors Main printer parts Printer component locationsLocation of main printer parts 2 Location of main printer parts 3 Location of main printer parts 4 Location of printer switches and sensors Printer switches and sensorsLocation of printer motors and fans Printer motors and fansLocation of printer PCAs Printer PCAsSheet feeder main parts Accessory component locationsSheet feeder switches, sensors, solenoids, and PCAs Location of 1,500-sheet paper feeder main parts 1 Location of 1,500-sheet paper feeder main parts 2 Sheet feeder switches, sensors, solenoids, and PCAs Location of the stapler/stacker stapler unit Stapler/stacker stapler assemblyStacker and stapler/stacker switches and sensors Stacker and stapler/stacker motors and solenoids Location of the stacker and stapler/stacker PCAs Stacker and stapler/stacker PCAsHP LaserJet 4200 wiring diagram Printer and accessory wiring diagramsHP LaserJet 4300 wiring diagram Sheet feeder wiring diagram 500-sheet feeder wiring diagram Duplex accessory wiring diagram Envelope feeder accessory wiring diagram Stacker accessory wiring diagram Stapler/stacker accessory wiring diagram DC controller top DC controller block diagramHP LaserJet 4200 general timing diagram General timing diagramsHP LaserJet 4300 general timing diagram Stapler/stacker timing diagram Troubleshooting Q2431-90912 Parts and diagrams Ordering information Ordering parts, supplies, and getting supportHP-authorized resellers and support Accessories and supplies Cables and interfaces Part number Exchange number Memory, fonts, and mass storage Part number Exchange numberPart number Exchange number Printer maintenance kitDocumentation Part number Description or use How to use the parts lists and diagramsExternal covers and panels Parts diagrams and listsExternal covers and panels Part number Description Reference Main assemblies 1 Main assemblies 1 Part number Description Reference Main assemblies 2 Main assemblies 2 Part number Description Reference Main assemblies 3 Main assemblies 3 Part number Description Reference Right-side assemblies Part number Description Reference 110-127v 220-240v Main drive assembly Part number Description Reference Paper-pickup assembly Part number Description Reference RM1-0002-000CN Duplexing pendulum assembly RM1-0033-000CN Lifter-drive assembly, tray Paper pickup assembly Part number Description Reference Paper-feed assembly Part number Description Reference Registration assembly Part number Description Reference Tray 1 assembly Part number Description Reference Output delivery assembly Part number Description Reference Transfer assembly Part number Description Reference Transfer assemblyFuser Parts and diagrams Q2431-90912 Fuser Part number Description Reference Parts and diagrams Q2431-90912 Q2431-90912 Parts and diagrams Sheet feeder main assemblies 2 Q2431-90912 Parts and diagrams RM1-0056-000CN Paper-pickup assembly 500-sheet feeder RM1-0208-000CN Lifter-driver assembly 500-sheet feeder Sheet tray Part number Description Reference Sheet trayQ2431-90912 Parts and diagrams 500-sheet feeder main assemblies Paper size sensing assembly outside, 1,500-sheet feeder Parts and diagrams Q2431-90912 RM1-0287-000CN Lifter-drive assembly, 1,500-sheet feeder Parts and diagrams Q2431-90912 Q2431-90912 Parts and diagrams Parts and diagrams Q2431-90912 Alphabetical pars list Part number Description Reference Alphabetical parts listAlphabetical pars list Part number Description Reference Paper size sensing assembly outside, 1,500-sheet feeder Alphabetical pars list Part number Description Reference Numerical pars list Part number Description Reference Numerical parts listNumerical pars list Part number Description Reference Numerical pars list Part number Description Reference Paper size sensing assembly outside, 1,500-sheet feeder Index Index Q2431-90912 Cassettes. See trays CD-ROM, software Index Q2431-90912 EIO Index Q2431-90912 See also support troubleshooting Help button 36 LED PCA Q2431-90912 Index Index Q2431-90912 Q2431-90912 Index See also bins Q2431-90912 Index Index Q2431-90912 LED PCA TCP/IP See also trays See also messages troubleshooting problem areas Page Q2431-90912