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HP Pro 4300 C9H70UT C9H70UT#ABA manual Q2431-90912

Models: Pro 4300 C9H70UT C9H70UT#ABA

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Q2431-90912

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Q2431-90912

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HP Pro 4300 C9H70UT C9H70UT#ABA manual Q2431-90912

Contents

Hp LaserJet Page Service Q2431-90912 Copyright Information Table 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 Contents Printer description Printer description Q2431-90912 Printer configurations Product configurations Model and serial numbers Sample model and serial number label Printer specifications Site requirements Physical dimensions Printer physical dimensions Off Printer weights without print cartridgePrinter weights General specifications Description HP LaserJet Circuit requirements HP LaserJet 4200 seriesHP LaserJet 4300 series Acoustic ratings Paper specifications Purchasing a large quantity Supported sizes and weights of media B5 ISO Tray 1 Media specifications Duplex accessory media specifications Size Dimensions Weight Envelope feeder accessory Size Dimensions Stacker and stapler/stacker do not support card stock Guidelines for using paper Symptom Problem with paper SolutionSupported types of media Submenu on Paper weight equivalence table Paper weight equivalents Labels Overhead transparencies Envelopes Envelope constructionEnvelopes with double-side-seams Envelopes with adhesive strips or flaps Card stock and heavy paper Envelope marginsEnvelope storage Card stock construction Types of print media to avoid Safety information Print cartridge and toner safetyLaser safety Laser safety statement U.S EMI statement Korea Vcci statement Japan Laser statement Finland Luokan 1 laserlaite Klass 1 Laser ApparatVaroitus Varning Regulatory information FCC regulations Environmental 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 Service approach Parts and suppliesOrdering information Related documentation and software Support HP PartnerCare HP service agreementsHP-authorized resellers and support Worldwide service and support offices Africa and Middle East Print-cartridge information Refilled print cartridgesRecycling print cartridges Returns Hewlett-Packard limited warranty statement HP Product Duration of Warranty Limited warranty for toner cartridge life Service approach Q2431-90912 Printer operation Using the control panel Control-panel layoutControl-panel lights Control-panel lights Light Indication Control-panel buttons Button Function Using the printer Help systemControl-panel buttons Settings and defaults Setting the control-panel display languageSettings and defaults Setting or default Explanation Control-panel menus OverviewPrinting and changing control-panel menus To print a control-panel menu map To change a control-panel setting Retrieve Job menu Information menuRetrieve job menu Values Explanation Information menu Explanation Paper Handling menu Paper-handling menu Values Explanation Tray N Type ANY Printing submenu Values Explanation Configure Device menuPrinting submenu PCL sub-submenu a submenu in the printing submenu PCL submenu Values Explanation Print Quality submenu Print quality submenu Values Explanation 321 and Blurred print on page 321 . HP Lines on page 321 and Blurred print on Use the Resolution Enhancement technology REt System Setup submenu System setup submenu Values Explanation Auto Continue to on Stapler/stacker submenu Stapler stacker submenu Values Explanation Submenu O submenu Values Explanation Printer maintenance Cleaning the printer and accessories Location of the transfer roller do not touch Cleaning the fuser Cleaning the printer Component Cleaning method/notes Running the cleaning page manually To run the cleaning page manually To 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 Loading staples To load staples Downloading a remote firmware update Printer maintenance Q2431-90912 Theory of operation Theory of operation Q2431-90912 Printer operating sequence IntroductionBasic operation of the printer Control system overview Pickup and feed system overviewLaser/scanner system overview Image formation system overview General descriptions DC controller PCA Fan Motor and fan controlMotor Power supply Fuser-control circuit Fuser over-temperature protection Fuser over-temperature protection circuit block diagram High-voltage circuit block diagram High-voltage circuit Low-voltage circuit block diagram Low-voltage circuit Overcurrent/overvoltage protection Toner detectionCartridge detection Cartridge memory Laser/scanner assembly Laser/scanner assembly Laser control circuit block diagram Laser/scanner control Printer paper pickup and feed block diagram Paper pickup system Paper pickup/feed and fuser/delivery block diagram Paper pickup and feed block Tray 1 timing diagrams Printing from tray Tray 1 pickup Q2431-90912 Theory of operation Tray 2 timing diagrams No cassette installed Tray 2, 500-, 1,500-sheet feeder media size detection Lifter-driver operation Multiple feed prevention Media skew prevention Correcting skewed media pages Fixing/delivery block Printer 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 door open jam Printer residual media jam Printing from the 500-sheet feeder Sheet feeder pickup and feeding Sheet feeder pickup and feed diagram 500-sheet feeder I/O block diagram Printing from the 1,500-sheet feeder 500-sheet feeder pickup and feed diagram Sheet feeder lifting mechanism 500-sheet feeder lifting mechanism Envelope feeder I/O block diagram Envelope feeder Envelope feeder pickup and feed diagram Envelope feeder pickup and feeding Envelope feeder pickup stationary jam Envelope feeder pickup delay jamEnvelope feeder jam detection Duplexer I/O block diagram Duplexer Duplexer pickup and reversing diagram Reversing and duplexer pickup Duplexer jam detection Stacker and stapler/stacker Stacker and stapler/stacker paper path Power-on sequence for the stacker and stapler/stacker Stacker driver PCA block diagram Stacker Switch Stacker feed and deliveryStacker components Component Purpose Solenoid Stacker jam detection Stacker feed jamStacker feed stationary jam Stacker residual media jam Stapler/stacker driver PCA block diagram Stapler/stacker Stapler/stacker feed and delivery Stapler/stacker components Component Purpose Stapler/stacker motors, solenoids, and sensors block diagram Staple mode feed and delivery Staple mode feed and delivery diagram 1 Staple mode feed and delivery diagram 2 Staple mode feed and delivery diagram 4 Staple mode feed and delivery diagram 6 Stapler unit I/O block diagram Stapler unit Front view Stapler unit operationStapler unit Staple operation 2 Staple operation 3 Stack mode feed and delivery Staple level detection Stapler/stacker jam detection Stapler/stacker feed jamStapler/stacker feed stationary jam Stapler/stacker delivery jam Image-formation system Image formation block diagram Electrostatic latent-image formation Primary charging Writing the image Writing the image to the photosensitive drum Developing the image Developing the image Transferring the image Transferring the image Fusing the image Q2431-90912 Theory of operation Print cartridge memory chip Print cartridge memory chip Formatter system PowerSaveResolution Enhancement technology EconoMode Input/output Printer memory PJL overview Control panel Removing and replacing parts Page Removal and replacement strategy Before performing serviceAfter completing service Required tools Screws used in the printer Screw measurement guidePhillips machine screw with captive star washer Phillips screw with self-tapping threads Access to the transfer assembly and to the registration Parts-removal tree Printer input tray, and cabinet wheel locks Location of printer, input trays, and cabinet wheel locks Print cartridge 1 User-replaceable partsPrint cartridge Transfer roller Open the control-panel door and tray Tray 1 pickup roller Tray 1 pickup roller 1 Tray 1 separation pad Tray 1 separation pad Tray 2 feed rollers Tray 2 feed rollers 2 Tray 2 feed rollers 3 Accessory covers and the tray 2 extension door Covers, tray 1, and the rear output bin Accessory covers 3 Formatter cover Top cover Top cover 1 Top cover 3 Top cover 4 Top cover 5 Right-side cover Right-side cover 1 Right-side cover 3 Left-side cover Left-side cover 1 Slide 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 Rear output bin 1 Control-panel display Control-panel overlay Control-panel assembly Control-panel assembly 1 Control-panel assembly 2 Control-panel assembly 4 Firmware Dimm Internal componentsFirmware Dimm Formatter assembly Formatter assembly Fuser Output delivery assembly Output delivery assembly rear view, formatter side 1 Output delivery assembly 2 Duplexing pendulum assembly Duplexing pendulum assembly 1 o Duplexing pendulum assembly 2 Tray 2 media-size sensor Tray 2 media-size sensor 1 Main cooling fan left side Main cooling fan 1 Main cooling fan 3 Cooling fan right side HP LaserJet 4300 series printer only Cooling fan HP LaserJet 4300 series only 1 Cooling fan HP LaserJet 4300 series only 3 Cooling fan HP LaserJet 4300 series only 5 Laser/scanner 1 Laser/scanner 3 Laser/scanner 4 Print-cartridge motor HP LaserJet 4300 series printer only Print-cartridge motor HP LaserJet 4300 series only 1 Print-cartridge motor HP Laserjet 4300 series only 1 Remove it Main motorMain motor 1 Main motor 3 Tray 2 lifter-drive assembly Tray 2 lifter-drive assembly 1 Tray 2 lifter-drive assembly 2 DC controller PCA 1 DC controller PCA 2 Paper-pickup assembly Paper-pickup assembly 1 Paper-pickup assembly 3 Paper-pickup assembly 5 Main drive assembly Main drive assembly 1 Main drive assembly 2 Power supply right side 1 Power supply 2 Power supply tray 2 cavity 4 Paper-feed belt assembly Paper-feed belt assembly 1 Tray 1 paper-pickup assembly Tray 1 pickup assembly 1 Tray 1 pickup assembly 2 Tray 1 pickup assembly 4 Paper feed assembly Paper feed assembly 1 Paper-feed assembly 2 Reinstall note Hint Registration assembly Registration assembly 1 Registration assembly 3 Transfer assembly Transfer assembly 1 Transfer assembly left rear view 2 Transfer assembly 3 Transfer assembly 5 Accessories Sheet feeder assemblySheet feed rollers Sheet feeder right-side cover Sheet feeder right-side cover 2 Sheet feeder right-side cover 4 Sheet feeder control PCA Sheet feeder control PCA Sheet feeder media-size sensor Sheet feeder media-size sensor 1 Sheet feeder lifter-drive assembly Sheet feeder lifter-drive assembly 1 Sheet feeder paper-pickup drive assembly Sheet feeder paper-pickup drive assembly 1 Sheet feeder paper-pickup drive assembly 3 Sheet feeder paper-pickup drive assembly 5 Sheet feeder paper-pickup drive assembly 7 Sheet feeder feed rollers Sheet feeder separation roller Sheet feeder door 500-sheet feeder door 1 Sheet feeder door 3 Sheet feeder rear cover 500-sheet feeder rear cover 1 500-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 Troubleshooting flowchart 1 Troubleshooting flowchart 2 Power-on checks Overview Power-on defect or blank display Problem Action Power-on defect or blank display Troubleshooting tools Information pages Menu map Sample menu map Configuration Configuration Supplies status Supplies status Gaining access to the embedded Web server Embedded Web server Networking tab Settings tabInformation tab Printer Status and Alerts software Other links To select status messages To view status messages and information Using control-panel menus Resets submenuResets submenu Values Explanation Information see System Setup submenu on Diagnostics menu Diagnostics menu Values Explanation Service menu service PIN codes For the HP LaserJet 4300 product Converting the Service ID to an actual date Service IDRestoring the Service ID Printer resets and power-on modes Cold resetTo perform a cold reset Nvram initialization Power-on bypass Hard-disk initializationTo initialize the hard disk Skip disk load Self test Formatter test Test pagesEngine test Interface troubleshooting EIO troubleshootingCommunications checks Computer direct connect parallel test Jetdirect Jetdirect Display-message troubleshooting Error messagesCritical-error messages Status messages See 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 Dimm on Firmware Dimm on See Configuration page on Switches and sensors onSee Power supply on 336 , 500 -sheet feeder See Fuser on Configuration page onFuser on Stacker or stapler/stacker LED Blinks in amber On page 241 to see ifSheet feeder media Size detection on Printer 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 Error applies to the stapler/stacker Amber this error applies toStapler/stacker LED is Only On 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 Install the paper-feed Assembly sensor flag onSee Printer switches Sheet feeder switches Printer switches Correctly installPaper-feed assembly sensor Location of printer switches See Location of printer 336 and Fuser on Removing and replacing JAM in Output Device Functions to OFF Tray 2 feed rollers on Description Drivers and Software . Check Replace the Dimm or Scanner assembly on ZZ Error Number Formatter assembly on Cartridge fan error F2 Main fan error F1 Air temperature sensor Power supplyDC controller Sensor. See Main cooling LJ 4300 only 59.00, 59.10, 59.20 MotorOr 59.4 EP Motor failure Assembly. See Tray 2 lifter Feeder lifter-drive assemblyPrint-cartridge motor On page 209 or 1,500-sheet 60.4 Is off Settings and defaults on Is continuously illuminatedAmber Stapler unit on Initialize Nvram on Initialize the hard disk on Critical hardware error has Turn the printer off and then Paper-path troubleshooting Jam locations Paper-jam recovery To disable the paper-jam recovery Common causes of paper jams Cause Solution Avoiding paper jams Data collection Basic troubleshooting for persistent jamsPersistent jams General paper-path troubleshooting Paper-path checklist Paper-path test To perform a paper- test Causes of tray 1 jams Solution Causes of tray 2 jams SolutionTray 1 paper-pickup assembly on Drive assembly on page 179 and/or Printer Causes of tray 3 and or tray 4 jams Solution Jams in tray 3 and/or tray Causes of paper-path jams Solution Causes of duplex path jams SolutionDrive assembly on Jams in the paper path Media transport problems Causes for multiple pages feeding SolutionCause Solution Multiple pages feed Paper is skewed Causes for skewed paper SolutionRegistration assembly on Image-formation troubleshooting Print quality problems associated with media Overhead transparency defects Print quality problems associated with the environmentPrint quality problems associated with jams Does the problem repeat on the page? HP paper specificationImage defects Image quality Check the print cartridge EconoMode Half self-test functional check Drum rotation functional check Image defect tables Print quality image defects Print quality image defects Light print partial Possible cause Recommended actions Light print entire Possible cause Recommended action Specks or dots Possible cause Recommended action Dots in the paper path direction Might cause problems if the paper is Have this problem because they are notCartridge Wrong toner density setting Wrong fuser setting for media type Horizontal lines opposite the paper path direction Grey background Possible cause Recommended actions Repeating defects and repeating images Distorted images Creases Possible cause Recommended actions Skew Possible cause Recommended actionsCurl or wave Possible cause Recommended actions White lines opposite the paper path Line detail setting is turned off White spots on black Possible cause Recommended actionsScattered lines Possible cause Recommended actions Blurred print Possible cause Recommended actions Replace the laser/scanner assembly. See Laser/scanner Black Blank or white Possible cause Recommended actions Dark print Repetitive defects troubleshooting Repetitive defect ruler Troubleshooting the stacker and the stapler/stacker Initial checks Jam errors Stacker and stapler/stacker paper pathStacker paper path test Delivery area Printer connection area Stapler/stacker paper path test Damaged Q2431-90912 Troubleshooting Paper transport error troubleshooting Paper transport errorsMalfunction errors Component errors Printer component locations Main printer parts Location of main printer parts 2 Location of main printer parts 3 Location of main printer parts 4 Printer switches and sensors Location of printer switches and sensors Printer motors and fans Location of printer motors and fans Printer PCAs Location of printer PCAs Accessory component locations Sheet feeder main parts Sheet 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 Stapler/stacker stapler assembly Location of the stapler/stacker stapler unit Stacker and stapler/stacker switches and sensors Stacker and stapler/stacker motors and solenoids Stacker and stapler/stacker PCAs Location of the stacker and stapler/stacker PCAs Printer and accessory wiring diagrams HP LaserJet 4200 wiring diagram HP 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 block diagram DC controller top General timing diagrams HP LaserJet 4200 general timing diagram HP LaserJet 4300 general timing diagram Stapler/stacker timing diagram Troubleshooting Q2431-90912 Parts and diagrams Ordering parts, supplies, and getting support Ordering information HP-authorized resellers and support Accessories and supplies Memory, fonts, and mass storage Part number Exchange number Cables and interfaces Part number Exchange number Printer maintenance kit Part number Exchange number How to use the parts lists and diagrams Documentation Part number Description or use Parts diagrams and lists External covers and panels External 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 Transfer assembly Part number Description Reference Fuser 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 Sheet tray Part number Description Reference Q2431-90912 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 parts list Alphabetical pars list Part number Description Reference Alphabetical pars list Part number Description Reference Paper size sensing assembly outside, 1,500-sheet feeder Alphabetical pars list Part number Description Reference Numerical parts list Numerical pars list Part number Description Reference Numerical 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