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HP 5000n manual 20Duplexer Sensors and Switches Reference Diagrams

Models: 5000n

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Page 314

Reversing unit paper

sensor

Side registration guide home position sensor

Deflector drive solenoid

Refeed paper sensor

Figure 7-20Duplexer Sensors and Switches

EN	Reference Diagrams 7-93

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HP 5000n manual 20Duplexer Sensors and Switches Reference Diagrams

Contents

HP LaserJet 5000, 5000 N 5000 GN Printers HP LaserJet 5000, 5000 N, and 5000 GN Printers Copyright Hewlett-Packard Company Contents Printer Operation Functional Information Removing and Replacing Parts Index Contents Printer Description Overview2Printer Description Printer FeaturesPrinter Features Paper Path 4Printer Description Identification Model and Serial NumbersSite Requirements 6Printer Description2Printer Dimensions, HP LaserJet Space Requirements3Printer Dimensions, HP LaserJet 5000 N/5000 GN 8Printer DescriptionPrinter Weight without toner cartridge 4Printer Dimensions, HP LaserJet 5000 with Accessories10Printer Description Acoustic Emissions Per ISO Printer State Sound PowerEnvironmental Requirements Paper Specifications 12Printer Description By 8.2 Supported Types of Paper 14Printer DescriptionGuidelines for Using Paper 16Printer Description Paper Weight Equivalence Table 11. Paper Weight EquivalenceVellum LabelsTransparencies Label ConstructionEnvelopes with Double-Side-Seams EnvelopesEnvelope Construction Envelope Margins Card Stock and Heavy PaperEnvelopes with Adhesive Strips or Flaps Envelope StorageCard Stock Construction Card Stock GuidelinesCanadian DOC Regulations Safety InformationLaser Safety Statement 22Printer DescriptionFCC Regulations Varoitus Laser statement for Finland Luokan 1 laserlaiteKlass 1 Laser Apparat VarningMaterial Safety Data Sheet This HP LaserJet printer design reduces Environmental Product StewardshipProtecting the Environment Printer design eliminatesService Approach Service Approach 2Service ApproachParts and Supplies Ordering InformationHelpful Documentation Description or Use Part Number 4Service ApproachHelpful Documentation Consumables Phone Numbers for OrderingExchange Program Technical AssistanceHP FIRST, Europe 6Service ApproachHP CompuServe Forum North American Response Center Narc Other AreasRefilled Toner Cartridges 8Service ApproachToner Cartridge Information Recycling Toner CartridgesWarranty Statement 10Service Approach Printer Operation Control Panel Lights Using the Control PanelControl Panel Layout Control Panel Lights LightIndicationPaper Size Control Panel KeysControl Panel Keys Function Settings and Defaults Settings and DefaultsSetting the Display Language Setting or Default ExplanationTo print a Control Panel menu map To change a Control Panel settingControl Panel Menus Information Menu ItemExplanation Print Menu MAP Print ConfigurationInformation Menu 6Printer OperationTray 1 MODE= First Tray 1 SIZE= Letter Cassette Paper Handling MenuPaper Handling Menu ValuesExplanation Tray 1 TYPE= Plain Tray 2 TYPE= Tray 3 TYPE=Paper Handling Menu Values Explanation 8Printer OperationConfigure Fuser Mode no MENU=NOYES Paper Handling Menu ItemValuesPrint Quality Menu Values RESOLUTION=Print Quality Menu FastresECONOMODE=OFF RET=MEDIUM OFF LightDark Toner DENSITY=3 Create Cleaning 12Printer OperationCOPIES=1 Printing MenuPrinting Menu Values Explanation PAPER= LetterPrinting Menu Values 14Printer OperationPCL Font PCL Font InternalSOURCE=INTERNAL Soft NUMBER=0Append CR to LF= 16Printer OperationConfiguration Menu Configuration Menu18Printer Operation Configuration Menu Values ExplanationResource SAVE= OFF Auto PROTECT= Auto Clearablejob MEMORY, Press GO to ContinueTonercontinue LOW=CONTINUE Stop Configuration Menu ItemValuesAuto CONTINUE= 20Printer OperationRAM DISK=OFF Mopier StandardMODE=STANDARD Enhanced RAM Disk Configuration Menu ValuesJAM RECOVERY= Auto OFF Paperoff REFORMING=OFF onSmall Paper Maintenance OFFMESSAGE=OFF SPEED=NORMAL SlowI/O Menu Values Explanation TIMEOUT=15Menu BUFFER=AUTO AutoParallel High I/O Menu ItemValuesBuffer SIZE= SPEED=YES Parallel ADV FUNCTIONS=ON26Printer Operation EIO Menu Networked Printers 10. EIO Menu Values Explanation28Printer Operation CFG TCP/IP=NOCFG ETALK=NO Reset Memory Resets Menu11. Resets Menu Explanation 30Printer Operation Service ModeTo enter Service Mode Serial Number Service MenuSetting the Page Count, Maintenance Count Count 32Printer Operation12. Changing the Page Count Key Press Display Service ModeService Menu DescriptionMaintenance Page Count Cold Reset PaperDiagnostics Clear Event LogTesting the Printer Engine TestTo perform a cold reset Resetting the PrinterCold Reset Clearing NvramParallel DOS Commands System ConfigurationMS-DOS System Configuration Serial MS-DOS Commands 38Printer OperationParallel Menu Printer I/O ConfigurationSerial Configuration Pacing Handshaking 40Printer OperationPrinter Maintenance Cleaning the Printer and Accessories 2Printer MaintenanceCleaning the Printer Component Cleaning Method / Notes Inside General4Printer Maintenance Cleaning Spilled TonerUsing the Printer Cleaning Expected Life of Components Preventative MaintenanceReset Maintenance Count Life of Components Part name Quantity Expected Life6Printer Maintenance Functional Information Printer Subsystems 2Functional InformationPower Supply System AC/DC Power Distribution4Functional Information Overcurrent Overvoltage Protection High Voltage Power Distribution 6Functional InformationToner Cartridge Detection DC Controller SystemLaser and Scanner Drive 8Functional InformationEngine Test Print Solenoids, Sensors, Clutches, and SwitchesPaper Motion Monitoring and Control Motors 10Functional InformationPage 12Functional Information PowerSaveFormatter System Resolution Enhancement technology REt EconoModeInput/Output Read Only Memory ROM Random Access Memory RAMPrinter Memory Memory Enhancement technology MEt Disk AccessoryDimm Slots ProtectPJL Overview Control PanelImage Formation System 18Functional InformationPage Toner Cartridge 20Functional InformationPhotosensitive Drum 8Photosensitive Drum Image Formation SystemCleaning the Drum 22Functional InformationConditioning the Drum 10Primary Charging Roller Image Formation System24Functional Information Writing the ImageBdic PCB Developing the Image Transferring the Image 26Functional InformationImage Fusing/Variable Fusing Temperature Variable Fusing Temperature 28Functional InformationPaper Feed System Paper PathClutches and Sensors 30Functional InformationPrinting from Tray 32Functional Information 18Tray 2 Paper Path Paper Feed System 19Paper Skew Loop-forming 34Functional InformationPrinting from the Optional 500-sheet and 250-sheet Trays 20250-sheet Paper Feeder Paper Feed System21500-sheet Paper Feeder 36Functional InformationPaper Jam 38Functional Information DuplexerReversing/Refeed System 22Paper Feed for the Duplexer Paper Feed System Reversing System 40Functional InformationDuplexing Unit 42Functional Information Pause ModeUncurling Function 25 Pause Mode Dance ModePaper Jam in the Duplexer 44Functional InformationBasic Sequence of Operation Printer Timing Period Purpose Remark46Functional Information Timing Diagram 48Functional Information Removing and Replacing Parts 2Removing and Replacing Parts User Installable AccessoriesMemory Upgrade Page If an optional duplexer is installed 4Removing and Replacing PartsChecking Memory Installation Installing EIO Cards / Mass Storage1Installing EIO Cards or Mass Storage Devices 6Removing and Replacing PartsRemoval and Replacement Strategy Required Tools8Removing and Replacing Parts Screws Used in the Printer Drawing and Description PurposeScrews Used in the Printer Drawing and Description Purpose Rear Door / Rear Output Bin 10Removing and Replacing PartsRemoving Covers Support Strap 12Removing and Replacing Parts Top CoverTop screws Toner Cartridge Drive Arm Rear screws 14Removing and Replacing Parts Control Panel Overlay and Control Panel 16Removing and Replacing Parts Toner Cartridge Door Assembly 9Toner Cartridge Door Assembly Under Side of Top Cover Door18Removing and Replacing Parts Front Cover and TrayTray Front Cover Pins 20Removing and Replacing PartsFace Down Assembly 13Location of Face Down Assembly Base14Face Down Assembly 22Removing and Replacing PartsLeft and Right Side Covers 24Removing and Replacing Parts Tray 1 Inner Cover17Tray 1 Inner Cover front of printer 26Removing and Replacing Parts Right and Left Corner CoversRemoving Assemblies Transfer Roller Assembly 28Removing and Replacing Parts21Right Side of Transfer Roller 30Removing and Replacing Parts FuserPaper Handling PCA Top Margin Adjustment 32Removing and Replacing Parts25Location of VR401 Removing Assemblies Main Gear Assembly 34Removing and Replacing Parts27Removing the Main Gear Assembly Pickup Gear Assembly 36Removing and Replacing PartsTray 2 Shaft Gear to the Paper Feed Roller Assembly Gear 38Removing and Replacing Parts Tray 1 Pickup SolenoidFan 30Fan right side view of printerFormatter Assembly 40Removing and Replacing PartsTray 1 Roller 42Removing and Replacing Parts Tray 2 RollerPaper Feed Roller Assembly 34Paper Feed Roller Clutch left side view of printer44Removing and Replacing Parts 35Location of two common screws inside printer36Paper Feed Roller Assembly bottom view of printer DC Controller Board and Power Supply 46Removing and Replacing Parts37DC Controller Assembly rear view of printer 38DC Controller Assembly long screws 48Removing and Replacing Parts39DC Controller Assembly Paper Feed Belt Assembly 50Removing and Replacing Parts41Paper Feed Belt Assembly removed 52Removing and Replacing Parts Tray 1 ShaftMust be installed on top of it 54Removing and Replacing Parts Tray 2 ShaftReassembly Steps 44Reassembly of Tray 2 Shaft56Removing and Replacing Parts Tray 1 Lift PlateTray 1 Separation Pad 46Tray 1 Separation Pad Removing Assemblies58Removing and Replacing Parts Paper GuidePaper Path Detect Sensor 48Paper Path Detect Sensor60Removing and Replacing Parts Face Down Bin Full Sensor50Detail of Bin Full Sensor Power Connection 62Removing and Replacing PartsRegistration Assembly 52Registration Assembly53Registration Assembly Clutch 64Removing and Replacing PartsUpper Delivery Assembly 54Upper Delivery Assembly rear left view of printer66Removing and Replacing Parts Delivery Roller Removal 56Delivery Roller Components68Removing and Replacing Parts Laser Scanner Assembly 58Laser Scanner Assembly top inside view of printer70Removing and Replacing Parts Main MotorToner Cartridge Guides Power Inlet Assembly 72Removing and Replacing PartsOptional 500-sheet Tray Disassembly 62Optional 500-sheet Tray top view74Removing and Replacing Parts 63500-sheet Tray top view with covers removedTray Indicator Assembly 64Removing the Tray Indicator AssemblyLeft Front Corner Cover Installation 76Removing and Replacing PartsPaper Size Spring Assembly 66Removing the Paper Size Spring AssemblyFeed Roller Removal 78Removing and Replacing PartsRoller and Feed Roller Roller RemovalGear Assembly and PCA 68Removing the Gear Assembly and PCAPower Connector 80Removing and Replacing PartsSeparation Roller 70Removing the Separation Roller82Removing and Replacing Parts Troubleshooting 2Troubleshooting Troubleshooting ProcessMajor Steps for Troubleshooting Image Quality Troubleshooting Process Flow 4TroubleshootingTroubleshooting Process Preliminary Operating Checks Troubleshooting the Printing System6Troubleshooting Power On Power on Defect or Blank Display ProblemActionAction No AC Power Cause8Troubleshooting No DC Power Cause Action Printing an Engine Test 10TroubleshootingEngine Test Button Location Display 12Troubleshooting Event LogEvent Log Print the Event Log 14TroubleshootingDisplay the Event Log Interpret the Event LogLeft-most column Alphabetical Printer Messages Control Panel Message 16TroubleshootingPrinter Messages Event Log Explanation Recommended Message ActionCannot Duplex Rear BIN Open Check Input Device Disk Device Failure18Troubleshooting Disk is Write Protected Flash Device FailureFlash is Write Protected Initializing Input Device Condition xx.yyLoading Do not Power OFF20Troubleshooting Memory Full Stored Data Lost OfflineRAM Disk File 22TroubleshootingRAM Disk Device Failure System is FullTray x Empty 24Troubleshooting Unsupported Size in Tray YYUSE Type Size INSTEAD? Wait for Printer to ReinitializeEvent Explanation Recommended Log Action Message 26TroubleshootingNumerical Printer Messages Control Panel Message Paper JAM13.10 or Paper delay jam at paper 28Troubleshooting For 13.20Press GO to Continue Serial I/O Buffer Overflow Buffer OverflowPress GO to Continue Parallel I/O Buffer Overflow Press GO to Continue30Troubleshooting Printer Error Recommended ActionFuser Error 32TroubleshootingPrinter Error 34Troubleshooting Cycle Power to Continue 36Troubleshooting 69.x 38Troubleshooting 8x.yyyy 40Troubleshooting General Paper Path TroubleshootingGeneral Paper Path Troubleshooting Questions ProblemAction General Paper Path Troubleshooting Questions Problem Action 42Troubleshooting Paper Path TestInformation Pages Menu Map44Troubleshooting Configuration 5Configuration 46TroubleshootingVerify installed options Check the Toner Cartridge 48TroubleshootingImage Quality Image Quality Checks Image Quality Checks ActionEconoMode 50Troubleshooting Image DefectsBlack Lines perpendicular path Possible Cause Action 10. Black Possible Cause Action52Troubleshooting 10. Black11. Blank Possible Cause Action Empty weight = 1450 grams 51.5 oz 54Troubleshooting11. Blank 12. Blank Spots13. Character Voids Possible Cause Action 56Troubleshooting12. Blank Spots Possible Cause Action 14. Creases Possible Cause Action 58Troubleshooting 15. Curl Possible Cause Action16. Dirt on Back Possible Cause Action 17. Distorted Image60Troubleshooting 18. DropoutsFamily Paper Specifications Guide 19. Faded Print/Bubbles Possible Cause Action62Troubleshooting 19. Faded Print/Bubbles20. Gray Background Possible Cause Action 64Troubleshooting 21. Horizontal Smudges Possible Cause Action22. Horizontal White Lines 23. Light Print, Dark Print, or Fade Possible Cause Action24. Loose Toner Possible Cause Action 66Troubleshooting23. Light Print, Dark Print, or Fade Examine and clean rollers in the paper path 25. Repetitive Defects Possible Cause Action27. Toner Smear Possible Cause Action 68Troubleshooting26. Skew Possible Cause Action 28. Toner Specks Possible Cause Action Dirt in printer29. Vertical Black Lines 70TroubleshootingPaper SPEED=SLOW 30. Vertical Dots 31. Vertical White Lines72Troubleshooting Repetitive Defect Ruler6Repetitive Defect Ruler Troubleshooting the Printing System Image System Troubleshooting Half Self-Test Functional Check 74TroubleshootingDrum Rotation Functional Check 76Troubleshooting Interface TroubleshootingEIO Troubleshooting Communications Check7JetDirect Configuration Troubleshooting the Printing System JetDirect Configuration 78TroubleshootingReference Diagrams Locations of Components80Troubleshooting 9250-sheet Paper Feeder10250-sheet Paper Feeder Reference Diagrams 82Troubleshooting 11Tray 2 Paper Path12500-sheet Paper Feeder Reference Diagrams 84Troubleshooting 13500-sheet Paper FeederDuplexing Unit 86Troubleshooting Duplexing Unit Sensors and Signals 88TroubleshootingPage 32. Sensors and Signals Name 90TroubleshootingTSW1 19Location of Sensors and Switches 92Troubleshooting20Duplexer Sensors and Switches Reference Diagrams 94Troubleshooting 22Motors Duplexing unit Reference Diagrams 96Troubleshooting Page 98Troubleshooting 26PCA Duplexing Unit Reference Diagrams 100Troubleshooting 27Clutches and Solenoids28Clutches and Solenoids Duplexing Unit Reference Diagrams 102Troubleshooting 30Switches 500-sheet Paper Feeder Reference Diagrams 31DC Controller Board Test Points and Switches 104Troubleshooting32250-sheet Paper Feeder Sensors Reference Diagrams 106Troubleshooting 33DC Controller PCA I/O 1 Reference Diagrams DC Controller PCA Inputs and Outputs108Troubleshooting 34DC Controller PCA I/O 235DC Controller PCA I/O 3 Reference Diagrams 110Troubleshooting 36DC Controller PCA I/O 4Parts and Diagrams Ordering Parts How To Use the Parts Lists and Diagrams2Parts and Diagrams Ordering ConsumablesNumbers 4Parts and Diagrams Accessories and SuppliesAccessories and Supplies Description Exchange No Product No Accessories and Supplies Description Exchange No. Product No Screws Used in the Printer Description Common Hardware and Replacement Cables6Parts and Diagrams Replaceable Cables DescriptionIllustrations and Parts Lists 1Assembly Location Diagram 8Parts and DiagramsIllustrations and Parts Lists 10Parts and Diagrams 2External Covers and PanelsIllustrations and Parts Lists Top Cover Assembly Item No Quantity Description 12Parts and DiagramsTop Cover Assembly Item No Quantity Description 14Parts and Diagrams Internal Components 1 Item No. Part No Quantity DescriptionInternal Components 1 Item No. Part No Quantity Description 16Parts and Diagrams 5Internal Components 2Internal Components 2 Item No. Part No Quantity Description 18Parts and Diagrams 6Internal Components 3Internal Components 3 Item No. Part No Quantity Description 20Parts and Diagrams 7Internal Components 4Illustrations and Parts Lists 8Upper Delivery Assembly 22Parts and Diagrams9Tray 2 Paper Pickup Roller Assembly 10Paper Feed Belt Assembly 24Parts and DiagramsIllustrations and Parts Lists 11Paper Feed Assembly 26Parts and DiagramsIllustrations and Parts Lists 12Registration Roller Assembly 28Parts and DiagramsRG5-3524-000CN Registration Roller Assembly 30Parts and Diagrams Sheet Tray16 -sheet Tray Item No. Part No Quantity Description 14Main Drive Assembly 32Parts and DiagramsIllustrations and Parts Lists 15Pickup Drive Assembly 34Parts and Diagrams16PCA Assembly Locations 17Printer Controller Assembly 36Parts and DiagramsFuser 21. Fuser Item No. Part No Quantity Description38Parts and Diagrams 19500-sheet Feeder22 -sheet Feeder Item No. Part No Quantity Description 40Parts and Diagrams 20500-sheet Feeder23 -sheet Feeder Item No. Part No Quantity Description Description Part Number Table Number Alphabetical Parts List42Parts and Diagrams Description Part Number Table Number 44Parts and Diagrams 70 on 46Parts and Diagrams Numerical Parts List Part Number Description Table Number48Parts and Diagrams 110V RH2-5337-000CN 220V RG5-3517-000CN DC Controller 19 on 50Parts and Diagrams Part Number Description Table Number 52Parts and Diagrams Index Index Index Index