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HP Pro 4300 C9H70UT C9H70UT#ABA Printing on the wrong side of the paper, Loaded wrong-side-up

Models: Pro 4300 C9H70UT C9H70UT#ABA

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HP Pro 4300 C9H70UT C9H70UT#ABA manual Printing on the wrong side of the paper, Which side to print on. The different

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 dimensionsOff Printer weights without print cartridgePrinter weights Acoustic ratings General specifications Description HP LaserJetCircuit requirements HP LaserJet 4200 series HP LaserJet 4300 seriesPurchasing 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 Submenu on Guidelines for using paperSymptom Problem with paper Solution Supported types of mediaPaper weight equivalents Paper weight equivalence tableOverhead transparencies LabelsEnvelopes with adhesive strips or flaps EnvelopesEnvelope construction Envelopes with double-side-seamsCard stock construction Card stock and heavy paperEnvelope margins Envelope storageTypes of print media to avoid Laser safety statement U.S Safety informationPrint cartridge and toner safety Laser safetyEMI statement Korea Vcci statement Japan Varning Laser statement FinlandLuokan 1 laserlaite Klass 1 Laser Apparat VaroitusFCC regulations Regulatory informationEnvironmental product stewardship program Returns Non-U.S. returns Material Safety Data Sheet For more informationMaterial restrictions Canadian DOC regulations Declarations of ConformityDeclaration of Conformity Service approach Support Service approachParts and supplies Ordering information Related documentation and softwareHP PartnerCare HP service agreementsHP-authorized resellers and support Africa and Middle East Worldwide service and support officesReturns Print-cartridge informationRefilled print cartridges Recycling print cartridgesHP Product Duration of Warranty Hewlett-Packard limited warranty statementLimited warranty for toner cartridge life Service approach Q2431-90912 Printer operation Control-panel lights Light Indication Using the control panelControl-panel layout Control-panel lightsControl-panel buttons Button Function Using the printer Help systemControl-panel buttons Setting or default Explanation Settings and defaultsSetting the control-panel display language Settings and defaultsTo print a control-panel menu map Control-panel menusOverview Printing and changing control-panel menusTo change a control-panel setting Information menu Explanation Retrieve Job menuInformation menu Retrieve job menu Values ExplanationPaper-handling menu Values Explanation Paper Handling menuTray N Type ANY Printing submenu Values Explanation Configure Device menuPrinting submenu 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 manuallyTo run the cleaning page automatically Running the cleaning page automaticallyCleaning spilled toner Maintenance kit part numbers Part name Part number Performing preventative maintenanceResetting the maintenance-kit counter Expected life of components To remove and replace the stapler unit Maintaining the stapler unitRemoving and replacing 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 Printer operating sequence IntroductionBasic operation of the printer Image formation system overview Control system overviewPickup and feed system overview Laser/scanner system overviewDC controller PCA General descriptionsFan Motor and fan controlMotor 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 diagramCartridge memory Overcurrent/overvoltage protectionToner detection Cartridge detectionLaser/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 pickup stationary jam Printer pickup delay jam from trayPrinter jam detection Printer delivery delay jam Printer delivery wrap jam when feeding regular mediaPrinter delivery wrap jam when feeding non-regular media 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 pickup stationary jam Envelope feeder pickup delay jamEnvelope feeder jam detection 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 diagramSolenoid SwitchStacker feed and delivery Stacker components Component PurposeStacker residual media jam Stacker jam detectionStacker feed jam Stacker feed stationary 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 diagramFront view Stapler unit operationStapler unit Staple operation 3 Staple operation 2Staple level detection Stack mode feed and deliveryStapler/stacker delivery jam Stapler/stacker jam detectionStapler/stacker feed jam Stapler/stacker feed stationary 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 chipFormatter system PowerSaveResolution Enhancement technology Input/output EconoModePrinter memory Control panel PJL overviewRemoving and replacing parts Page Required tools Removal and replacement strategyBefore performing service After completing servicePhillips screw with self-tapping threads Screws used in the printerScrew measurement guide Phillips machine screw with captive star washerParts-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 1 User-replaceable partsPrint cartridge 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 coverSlide the tray 1 door to the right and remove it TrayTray 1 1 Tray 1 3 Tray 1 6 Tray 1 5Slide the paper guide to the left to remove it 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 Remove it Main motorMain motor 1 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 right-side cover AccessoriesSheet feeder assembly Sheet feed rollersSheet 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 serverNetworking tab Settings tabInformation tab Other links Printer Status and Alerts softwareTo view status messages and information To select status messagesInformation see System Setup submenu on Using control-panel menusResets submenu Resets submenu Values ExplanationDiagnostics menu Values Explanation Diagnostics menuFor the HP LaserJet 4300 product Service menu service PIN codesConverting the Service ID to an actual date Service IDRestoring the Service ID Nvram initialization Printer resets and power-on modesCold reset To perform a cold resetSkip disk load Power-on bypassHard-disk initialization To initialize the hard diskSelf test Formatter test Test pagesEngine test Computer direct connect parallel test Interface troubleshootingEIO troubleshooting Communications checksJetdirect JetdirectStatus messages Display-message troubleshootingError messages Critical-error messagesSee DC controller PCA on Alphabetical printer messagesAlphabetical printer messages Message Description Action Top cover is open or the top Press the H ELP Button for Firmware Dimm on Dimm on336 , 500 -sheet feeder See Configuration page onSwitches and sensors on See Power supply onSee Fuser on Configuration page onFuser on Size detection on Stacker or stapler/stacker LED Blinks in amberOn page 241 to see if Sheet feeder mediaPrinter has detected that an If the print cartridge appears Stacker or stapler/stacker LED Stacker or stapler/stackerLED blinks in amber See Firmware Dimm on Power supply on See 1,500-sheet feeder Sheet feederControl PCA on Only Error applies to the stapler/stackerAmber this error applies to Stapler/stacker LED isOn 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 Cartridge on Numerical printer messagesNumerical printer messages Message Description Action See Paper-path Sheet feeder switches Install the paper-feedAssembly sensor flag on See Printer switchesLocation of printer switches Printer switchesCorrectly install Paper-feed assembly sensor336 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 F2Sensor. See Main cooling Air temperature sensorPower supply DC controllerLJ 4300 only 59.00, 59.10, 59.20 MotorOr 59.4 EP Motor failure On page 209 or 1,500-sheet Assembly. See Tray 2 lifterFeeder lifter-drive assembly Print-cartridge motorIs off 60.4Stapler unit on Settings and defaults onIs continuously illuminated AmberInitialize 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 SolutionData collection Basic troubleshooting for persistent jamsPersistent jams Paper-path checklist General paper-path troubleshootingTo perform a paper- test Paper-path testDrive assembly on page 179 and/or Printer Causes of tray 1 jams SolutionCauses of tray 2 jams Solution Tray 1 paper-pickup assembly onJams in tray 3 and/or tray Causes of tray 3 and or tray 4 jams SolutionJams in the paper path Causes of paper-path jams SolutionCauses of duplex path jams Solution Drive assembly onMultiple pages feed Media transport problemsCauses for multiple pages feeding Solution Cause SolutionPaper is skewed Causes for skewed paper SolutionRegistration assembly on Print quality problems associated with media Image-formation troubleshootingOverhead transparency defects Print quality problems associated with the environmentPrint quality problems associated with jams Image quality Does the problem repeat on the page?HP paper specification Image defectsEconoMode 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 actionWrong fuser setting for media type Might cause problems if the paper isHave this problem because they are not Cartridge Wrong toner density settingHorizontal lines opposite the paper path direction Grey background Possible cause Recommended actions Distorted images Repeating defects and repeating imagesCreases Possible cause Recommended actions Skew Possible cause Recommended actionsCurl or wave Possible cause Recommended actions White lines opposite the paper path Blurred print Possible cause Recommended actions Line detail setting is turned offWhite spots on black Possible cause Recommended actions Scattered lines 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/stackerDelivery area Printer connection area Jam errorsStacker and stapler/stacker paper path Stacker paper path testDamaged Stapler/stacker paper path testQ2431-90912 Troubleshooting Paper transport error troubleshooting Paper transport errorsMalfunction errors 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