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HP Pro 4300 C9H70UT C9H70UT#ABA manual Hp LaserJet

Models: Pro 4300 C9H70UT C9H70UT#ABA

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hp LaserJet 4200

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hp LaserJet 4300

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HP Pro 4300 C9H70UT C9H70UT#ABA manual Hp LaserJet

Contents

Hp LaserJet Page Service Copyright Information Q2431-90912 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 Printer description Contents Printer description Q2431-90912 Product configurations Printer configurations Sample model and serial number label Model and serial numbers Site requirements Printer specifications Printer physical dimensions Physical dimensions Printer weights Printer weights without print cartridgeOff Circuit requirements HP LaserJet 4200 series General specifications Description HP LaserJetHP LaserJet 4300 series Acoustic ratings Purchasing a large quantity Paper specifications B5 ISO Supported sizes and weights of media Tray 1 Media specifications Envelope feeder accessory Size Dimensions Duplex accessory media specifications Size Dimensions Weight Stacker and stapler/stacker do not support card stock Symptom Problem with paper Solution Guidelines for using paperSupported types of media Submenu on Paper weight equivalents Paper weight equivalence table Overhead transparencies Labels Envelope construction EnvelopesEnvelopes with double-side-seams Envelopes with adhesive strips or flaps Envelope margins Card stock and heavy paperEnvelope storage Card stock construction Types of print media to avoid Print cartridge and toner safety Safety informationLaser safety Laser safety statement U.S EMI statement Korea Vcci statement Japan Luokan 1 laserlaite Klass 1 Laser Apparat Laser statement FinlandVaroitus Varning FCC regulations Regulatory information Environmental 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 Support HP-authorized resellers and support HP service agreementsHP PartnerCare Africa and Middle East Worldwide service and support offices Refilled print cartridges Print-cartridge informationRecycling print cartridges Returns HP Product Duration of Warranty Hewlett-Packard limited warranty statement Limited warranty for toner cartridge life Service approach Q2431-90912 Printer operation Control-panel layout Using the control panelControl-panel lights Control-panel lights Light Indication Control-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 Explanation Overview Control-panel menusPrinting and changing control-panel menus To print a control-panel menu map To change a control-panel setting Information menu Retrieve Job menuRetrieve job menu Values Explanation Information menu Explanation Paper-handling menu Values Explanation Paper Handling menu Tray N Type ANY Printing submenu Configure Device menuPrinting submenu Values Explanation PCL submenu Values Explanation PCL sub-submenu a submenu in the printing submenu Print quality submenu Values Explanation Print Quality submenu Lines on page 321 and Blurred print on 321 and Blurred print on page 321 . HP Use the Resolution Enhancement technology REt System setup submenu Values Explanation System Setup submenu Auto Continue to on Stapler stacker submenu Values Explanation Stapler/stacker submenu O submenu Values Explanation Submenu Printer maintenance Location of the transfer roller do not touch Cleaning the printer and accessories Cleaning the printer Component Cleaning method/notes Cleaning the fuser To run the cleaning page manually Running the cleaning page manually Cleaning 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 staples Downloading 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 overview DC controller PCA General descriptions Motor Motor and fan controlFan Fuser-control circuit Power supply Fuser over-temperature protection circuit block diagram Fuser over-temperature protection High-voltage circuit High-voltage circuit block diagram Low-voltage circuit Low-voltage circuit block diagram Toner detection Overcurrent/overvoltage protectionCartridge detection Cartridge memory Laser/scanner assembly Laser/scanner assembly Laser/scanner control Laser control circuit block diagram Paper pickup system Printer paper pickup and feed block diagram Paper pickup and feed block Paper pickup/feed and fuser/delivery block diagram Printing from tray Tray 1 timing diagrams Q2431-90912 Theory of operation Tray 1 pickup Tray 2 timing diagrams Tray 2, 500-, 1,500-sheet feeder media size detection No cassette installed Multiple feed prevention Lifter-driver operation Correcting skewed media pages Media skew prevention Fixing/delivery block Printer 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 jam Sheet feeder pickup and feeding Printing from the 500-sheet feeder Sheet feeder pickup and feed diagram Printing from the 1,500-sheet feeder 500-sheet feeder I/O block diagram 500-sheet feeder pickup and feed diagram 500-sheet feeder lifting mechanism Sheet feeder lifting mechanism Envelope feeder Envelope feeder I/O block diagram Envelope feeder pickup and feeding Envelope feeder pickup and feed diagram Envelope feeder jam detection Envelope feeder pickup delay jamEnvelope feeder pickup stationary jam Duplexer Duplexer I/O block diagram Reversing and duplexer pickup Duplexer pickup and reversing diagram Duplexer jam detection Stacker and stapler/stacker paper path Stacker and stapler/stacker Power-on sequence for the stacker and stapler/stacker Stacker Stacker driver PCA block diagram Stacker feed and delivery SwitchStacker components Component Purpose Solenoid Stacker feed jam Stacker jam detectionStacker feed stationary jam Stacker residual media jam Stapler/stacker Stapler/stacker driver PCA block diagram Stapler/stacker components Component Purpose Stapler/stacker feed and delivery Stapler/stacker motors, solenoids, and sensors block diagram Staple mode feed and delivery diagram 1 Staple mode feed and delivery Staple 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 diagram Stapler unit Stapler unit operationFront view Staple operation 3 Staple operation 2 Staple level detection Stack mode feed and delivery Stapler/stacker feed jam Stapler/stacker jam detectionStapler/stacker feed stationary jam Stapler/stacker delivery jam Image-formation system Image formation block diagram Primary charging Electrostatic latent-image formation Writing the image to the photosensitive drum Writing the image 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 Resolution Enhancement technology PowerSaveFormatter system Input/output EconoMode Printer memory Control panel PJL overview Removing and replacing parts Page Before performing service Removal and replacement strategyAfter completing service Required tools Screw measurement guide Screws used in the printerPhillips machine screw with captive star washer Phillips screw with self-tapping threads Parts-removal tree Access to the transfer assembly and to the registration Location of printer, input trays, and cabinet wheel locks Printer input tray, and cabinet wheel locks Print cartridge User-replaceable partsPrint cartridge 1 Open the control-panel door and tray Transfer roller Tray 1 pickup roller 1 Tray 1 pickup roller Tray 1 separation pad Tray 1 separation pad Tray 2 feed rollers 2 Tray 2 feed rollers Tray 2 feed rollers 3 Covers, tray 1, and the rear output bin Accessory covers and the tray 2 extension door Accessory covers 3 Formatter cover Top cover 1 Top cover Top cover 4 Top cover 3 Top cover 5 Right-side cover 1 Right-side cover Right-side cover 3 Left-side cover 1 Left-side cover Tray 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 bin Control-panel overlay Control-panel display Control-panel assembly 1 Control-panel assembly Control-panel assembly 2 Control-panel assembly 4 Firmware Dimm Internal componentsFirmware Dimm Formatter assembly Formatter assembly Fuser Output delivery assembly rear view, formatter side 1 Output delivery assembly Output delivery assembly 2 Duplexing pendulum assembly 1 o Duplexing pendulum assembly Duplexing pendulum assembly 2 Tray 2 media-size sensor 1 Tray 2 media-size sensor Main cooling fan 1 Main cooling fan left side Main cooling fan 3 Cooling fan HP LaserJet 4300 series only 1 Cooling fan right side HP LaserJet 4300 series printer only Cooling fan HP LaserJet 4300 series only 3 Cooling fan HP LaserJet 4300 series only 5 Laser/scanner 1 Laser/scanner 4 Laser/scanner 3 Print-cartridge motor HP LaserJet 4300 series only 1 Print-cartridge motor HP LaserJet 4300 series printer only Print-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 assembly Tray 2 lifter-drive assembly 2 DC controller PCA 1 DC controller PCA 2 Paper-pickup assembly 1 Paper-pickup assembly Paper-pickup assembly 3 Paper-pickup assembly 5 Main drive assembly 1 Main drive assembly Main 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 assembly Tray 1 pickup assembly 1 Tray 1 paper-pickup assembly Tray 1 pickup assembly 2 Tray 1 pickup assembly 4 Paper feed assembly 1 Paper feed assembly Paper-feed assembly 2 Reinstall note Hint Registration assembly 1 Registration assembly Registration assembly 3 Transfer assembly 1 Transfer assembly Transfer assembly left rear view 2 Transfer assembly 3 Transfer assembly 5 Sheet feeder assembly AccessoriesSheet 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 1 Sheet feeder media-size sensor Sheet feeder lifter-drive assembly 1 Sheet feeder lifter-drive assembly Sheet feeder paper-pickup drive assembly 1 Sheet feeder paper-pickup drive assembly Sheet 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 rollers 500-sheet feeder door 1 Sheet feeder door Sheet feeder door 3 500-sheet feeder rear cover 1 Sheet feeder rear cover 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 1 Troubleshooting flowchart Troubleshooting flowchart 2 Overview Power-on checks Power-on defect or blank display Problem Action Power-on defect or blank display Information pages Troubleshooting tools Sample menu map Menu map Configuration Configuration Supplies status Supplies status Embedded Web server Gaining access to the embedded Web server Information tab Settings tabNetworking tab Other links Printer Status and Alerts software To view status messages and information To select status messages Resets submenu Using control-panel menusResets submenu Values Explanation Information see System Setup submenu on Diagnostics menu Values Explanation Diagnostics menu For the HP LaserJet 4300 product Service menu service PIN codes Restoring 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 initialization Hard-disk initialization Power-on bypassTo initialize the hard disk Skip disk load Self test Engine test Test pagesFormatter test EIO troubleshooting Interface troubleshootingCommunications checks Computer direct connect parallel test Jetdirect Jetdirect Error messages Display-message troubleshootingCritical-error messages Status messages Alphabetical 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 on Switches and sensors on See Configuration page onSee Power supply on 336 , 500 -sheet feeder Fuser on Configuration page onSee Fuser on On page 241 to see if Stacker or stapler/stacker LED Blinks in amberSheet feeder media Size detection on Printer 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 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 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 switches Correctly install Printer switchesPaper-feed assembly sensor Location of printer switches 336 and Fuser on See Location of printer Removing and replacing JAM in Output Device Tray 2 feed rollers on Functions to OFF Description Drivers and Software . Check Replace the Dimm or ZZ Error Number Scanner assembly on Formatter assembly on Main fan error F1 Cartridge fan error F2 Power supply Air temperature sensorDC controller Sensor. See Main cooling Or 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-sheet Is off 60.4 Is continuously illuminated Settings and defaults onAmber Stapler unit on Initialize the hard disk on Initialize Nvram on Critical hardware error has Turn the printer off and then Jam locations Paper-path troubleshooting To disable the paper-jam recovery Paper-jam recovery Avoiding paper jams Common causes of paper jams Cause Solution Persistent jams Basic troubleshooting for persistent jamsData collection Paper-path checklist General paper-path troubleshooting To perform a paper- test Paper-path test Causes of tray 2 jams Solution Causes of tray 1 jams SolutionTray 1 paper-pickup assembly on Drive assembly on page 179 and/or Printer Jams in tray 3 and/or tray Causes of tray 3 and or tray 4 jams Solution Causes of duplex path jams Solution Causes of paper-path jams SolutionDrive assembly on Jams in the paper path Causes for multiple pages feeding Solution Media transport problemsCause Solution Multiple pages feed Registration assembly on Causes for skewed paper SolutionPaper is skewed Print quality problems associated with media Image-formation troubleshooting Print 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 quality EconoMode Check the print cartridge Drum rotation functional check Half self-test functional check Print quality image defects Image defect tables Print quality image defects Light print entire Possible cause Recommended action Light print partial Possible cause Recommended actions Dots in the paper path direction Specks or dots Possible cause Recommended action Have this problem because they are not Might cause problems if the paper isCartridge Wrong toner density setting Wrong fuser setting for media type Horizontal lines opposite the paper path direction Grey background Possible cause Recommended actions Distorted images Repeating defects and repeating images Curl 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 actions Black Replace the laser/scanner assembly. See Laser/scanner Blank or white Possible cause Recommended actions Dark print Repetitive defect ruler Repetitive defects troubleshooting Initial checks Troubleshooting the stacker and the stapler/stacker Stacker and stapler/stacker paper path Jam errorsStacker paper path test Delivery area Printer connection area Damaged Stapler/stacker paper path test Q2431-90912 Troubleshooting Malfunction errors Paper transport errorsPaper transport error troubleshooting Component errors Main printer parts Printer component locations Location 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 sensors Location of printer motors and fans Printer motors and fans Location of printer PCAs Printer PCAs Sheet feeder main parts Accessory component locations 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 Location of the stapler/stacker stapler unit Stapler/stacker stapler assembly Stacker 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 PCAs HP LaserJet 4200 wiring diagram Printer and accessory wiring diagrams 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 top DC controller block diagram HP LaserJet 4200 general timing diagram General timing diagrams HP LaserJet 4300 general timing diagram Stapler/stacker timing diagram Troubleshooting Q2431-90912 Parts and diagrams Ordering information Ordering parts, supplies, and getting support HP-authorized resellers and support Accessories and supplies Cables and interfaces Part number Exchange number Memory, fonts, and mass storage Part number Exchange number Part number Exchange number Printer maintenance kit Documentation Part number Description or use How to use the parts lists and diagrams External covers and panels Parts diagrams and lists 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 Part number Description Reference Transfer assembly 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 Part number Description Reference Sheet tray 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 pars list Part number Description Reference Alphabetical parts list Alphabetical 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 list 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