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HP 5000n manual 53Registration Assembly Clutch, 64Removing and Replacing Parts

Models: 5000n

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Figure 6-53Registration Assembly Clutch

Item

A

B

C

Explanation

Flat

Alignment Tab

Stabilizer

Hint	When reinstalling the clutch, orient the shaft with the flat spot up. When
	the clutch slides on, the slotted metal alignment tab will seat onto a
	plastic stabilizer. Make sure that the cable is situated away from the
	Registration Assembly before you reinstall the Assembly.

6-64Removing and Replacing Parts

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HP 5000n manual 53Registration Assembly Clutch, 64Removing and Replacing Parts

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 Overview Printer Description2Printer Description Printer FeaturesPrinter Features Paper Path 4Printer Description Model and Serial Numbers Identification6Printer Description Site RequirementsSpace Requirements 2Printer Dimensions, HP LaserJet8Printer Description 3Printer Dimensions, HP LaserJet 5000 N/5000 GN4Printer Dimensions, HP LaserJet 5000 with Accessories Printer Weight without toner cartridge10Printer Description Acoustic Emissions Per ISO Printer State Sound PowerEnvironmental Requirements Paper Specifications 12Printer Description By 8.2 14Printer Description Supported Types of PaperGuidelines for Using Paper 16Printer Description 11. Paper Weight Equivalence Paper Weight Equivalence TableLabel Construction LabelsTransparencies VellumEnvelopes with Double-Side-Seams EnvelopesEnvelope Construction Envelope Storage Card Stock and Heavy PaperEnvelopes with Adhesive Strips or Flaps Envelope MarginsCard Stock Guidelines Card Stock Construction22Printer Description Safety InformationLaser Safety Statement Canadian DOC RegulationsFCC Regulations Varning Laser statement for Finland Luokan 1 laserlaiteKlass 1 Laser Apparat VaroitusMaterial Safety Data Sheet Printer design eliminates Environmental Product StewardshipProtecting the Environment This HP LaserJet printer design reducesService Approach 2Service Approach Service ApproachOrdering Information Parts and SuppliesHelpful Documentation Description or Use Part Number 4Service ApproachHelpful Documentation Technical Assistance Phone Numbers for OrderingExchange Program ConsumablesHP FIRST, Europe 6Service ApproachHP CompuServe Forum Other Areas North American Response Center NarcRecycling Toner Cartridges 8Service ApproachToner Cartridge Information Refilled Toner CartridgesWarranty Statement 10Service Approach Printer Operation Control Panel Lights LightIndication Using the Control PanelControl Panel Layout Control Panel LightsPaper Size Control Panel KeysControl Panel Keys Function Setting or Default Explanation Settings and DefaultsSetting the Display Language Settings and DefaultsTo print a Control Panel menu map To change a Control Panel settingControl Panel Menus 6Printer Operation Print Menu MAP Print ConfigurationInformation Menu Information Menu ItemExplanationTray 1 TYPE= Plain Tray 2 TYPE= Tray 3 TYPE= Paper Handling MenuPaper Handling Menu ValuesExplanation Tray 1 MODE= First Tray 1 SIZE= Letter Cassette8Printer Operation Paper Handling Menu Values ExplanationPaper Handling Menu ItemValues Configure Fuser Mode no MENU=NOYESFastres RESOLUTION=Print Quality Menu Print Quality Menu ValuesECONOMODE=OFF RET=MEDIUM OFF LightDark 12Printer Operation Toner DENSITY=3 Create CleaningPAPER= Letter Printing MenuPrinting Menu Values Explanation COPIES=114Printer Operation Printing Menu ValuesNUMBER=0 PCL Font InternalSOURCE=INTERNAL Soft PCL Font16Printer Operation Append CR to LF=Configuration Menu Configuration Menu18Printer Operation Configuration Menu Values ExplanationResource SAVE= OFF Auto Clearablejob MEMORY, Press GO to Continue PROTECT= Auto20Printer Operation Configuration Menu ItemValuesAuto CONTINUE= Tonercontinue LOW=CONTINUE StopRAM DISK=OFF Mopier StandardMODE=STANDARD Enhanced Auto OFF Paperoff REFORMING=OFF on Configuration Menu ValuesJAM RECOVERY= RAM DiskSPEED=NORMAL Slow Maintenance OFFMESSAGE=OFF Small PaperBUFFER=AUTO Auto TIMEOUT=15Menu I/O Menu Values ExplanationSPEED=YES Parallel ADV FUNCTIONS=ON I/O Menu ItemValuesBuffer SIZE= Parallel High26Printer Operation 10. EIO Menu Values Explanation EIO Menu Networked Printers28Printer 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 32Printer Operation CountDescription Service ModeService Menu 12. Changing the Page Count Key Press DisplayClear Event Log Cold Reset PaperDiagnostics Maintenance Page CountEngine Test Testing the PrinterClearing Nvram Resetting the PrinterCold Reset To perform a cold resetParallel DOS Commands System ConfigurationMS-DOS System Configuration 38Printer Operation Serial MS-DOS CommandsParallel Menu Printer I/O ConfigurationSerial Configuration 40Printer Operation Pacing HandshakingPrinter Maintenance 2Printer Maintenance Cleaning the Printer and AccessoriesInside General Cleaning the Printer Component Cleaning Method / Notes4Printer Maintenance Cleaning Spilled TonerUsing the Printer Cleaning Life of Components Part name Quantity Expected Life Preventative MaintenanceReset Maintenance Count Expected Life of Components6Printer Maintenance Functional Information 2Functional Information Printer SubsystemsAC/DC Power Distribution Power Supply System4Functional Information Overcurrent Overvoltage Protection 6Functional Information High Voltage Power DistributionDC Controller System Toner Cartridge Detection8Functional Information Laser and Scanner DriveEngine Test Print Solenoids, Sensors, Clutches, and SwitchesPaper Motion Monitoring and Control 10Functional Information MotorsPage 12Functional Information PowerSaveFormatter System EconoMode Resolution Enhancement technology REtInput/Output Read Only Memory ROM Random Access Memory RAMPrinter Memory Protect Disk AccessoryDimm Slots Memory Enhancement technology MEtControl Panel PJL Overview18Functional Information Image Formation SystemPage 20Functional Information Toner Cartridge8Photosensitive Drum Image Formation System Photosensitive Drum22Functional Information Cleaning the Drum10Primary Charging Roller Image Formation System Conditioning the Drum24Functional Information Writing the ImageBdic PCB Developing the Image 26Functional Information Transferring the ImageImage Fusing/Variable Fusing Temperature 28Functional Information Variable Fusing TemperaturePaper Path Paper Feed System30Functional Information Clutches and SensorsPrinting from Tray 32Functional Information 18Tray 2 Paper Path Paper Feed System 34Functional Information 19Paper Skew Loop-forming20250-sheet Paper Feeder Paper Feed System Printing from the Optional 500-sheet and 250-sheet Trays36Functional Information 21500-sheet Paper FeederPaper Jam 38Functional Information DuplexerReversing/Refeed System 22Paper Feed for the Duplexer Paper Feed System 40Functional Information Reversing SystemDuplexing Unit 42Functional Information Pause ModeUncurling Function Dance Mode 25 Pause Mode44Functional Information Paper Jam in the DuplexerPrinter Timing Period Purpose Remark Basic Sequence of Operation46Functional Information Timing Diagram 48Functional Information Removing and Replacing Parts 2Removing and Replacing Parts User Installable AccessoriesMemory Upgrade Page 4Removing and Replacing Parts If an optional duplexer is installedInstalling EIO Cards / Mass Storage Checking Memory Installation6Removing and Replacing Parts 1Installing EIO Cards or Mass Storage DevicesRequired Tools Removal and Replacement StrategyScrews Used in the Printer Drawing and Description Purpose 8Removing and Replacing PartsScrews Used in the Printer Drawing and Description Purpose Rear Door / Rear Output Bin 10Removing and Replacing PartsRemoving Covers Support Strap Top Cover 12Removing and Replacing PartsTop screws Toner Cartridge Drive Arm Rear screws 14Removing and Replacing Parts Control Panel Overlay and Control Panel 16Removing and Replacing Parts 9Toner Cartridge Door Assembly Under Side of Top Cover Door Toner Cartridge Door AssemblyFront Cover and Tray 18Removing and Replacing PartsTray 20Removing and Replacing Parts Front Cover Pins13Location of Face Down Assembly Base Face Down Assembly22Removing and Replacing Parts 14Face Down AssemblyLeft and Right Side Covers Tray 1 Inner Cover 24Removing and Replacing Parts17Tray 1 Inner Cover front of printer Right and Left Corner Covers 26Removing and Replacing PartsRemoving Assemblies 28Removing and Replacing Parts Transfer Roller Assembly21Right Side of Transfer Roller Fuser 30Removing and Replacing PartsPaper Handling PCA 32Removing and Replacing Parts Top Margin Adjustment25Location of VR401 Removing Assemblies 34Removing and Replacing Parts Main Gear Assembly27Removing the Main Gear Assembly 36Removing and Replacing Parts Pickup Gear AssemblyTray 2 Shaft Gear to the Paper Feed Roller Assembly Gear Tray 1 Pickup Solenoid 38Removing and Replacing Parts30Fan right side view of printer Fan40Removing and Replacing Parts Formatter AssemblyTray 1 Roller Tray 2 Roller 42Removing and Replacing Parts34Paper Feed Roller Clutch left side view of printer Paper Feed Roller Assembly35Location of two common screws inside printer 44Removing and Replacing Parts36Paper Feed Roller Assembly bottom view of printer 46Removing and Replacing Parts DC Controller Board and Power Supply37DC Controller Assembly rear view of printer 48Removing and Replacing Parts 38DC Controller Assembly long screws39DC Controller Assembly 50Removing and Replacing Parts Paper Feed Belt Assembly41Paper Feed Belt Assembly removed Tray 1 Shaft 52Removing and Replacing PartsMust be installed on top of it Tray 2 Shaft 54Removing and Replacing Parts44Reassembly of Tray 2 Shaft Reassembly StepsTray 1 Lift Plate 56Removing and Replacing Parts46Tray 1 Separation Pad Removing Assemblies Tray 1 Separation PadPaper Guide 58Removing and Replacing Parts48Paper Path Detect Sensor Paper Path Detect SensorFace Down Bin Full Sensor 60Removing and Replacing Parts50Detail of Bin Full Sensor 62Removing and Replacing Parts Power Connection52Registration Assembly Registration Assembly64Removing and Replacing Parts 53Registration Assembly Clutch54Upper Delivery Assembly rear left view of printer Upper Delivery Assembly66Removing and Replacing Parts 56Delivery Roller Components Delivery Roller Removal68Removing and Replacing Parts 58Laser Scanner Assembly top inside view of printer Laser Scanner AssemblyMain Motor 70Removing and Replacing PartsToner Cartridge Guides 72Removing and Replacing Parts Power Inlet Assembly62Optional 500-sheet Tray top view Optional 500-sheet Tray Disassembly63500-sheet Tray top view with covers removed 74Removing and Replacing Parts64Removing the Tray Indicator Assembly Tray Indicator Assembly76Removing and Replacing Parts Left Front Corner Cover Installation66Removing the Paper Size Spring Assembly Paper Size Spring AssemblyRoller Removal 78Removing and Replacing PartsRoller and Feed Roller Feed Roller Removal68Removing the Gear Assembly and PCA Gear Assembly and PCA80Removing and Replacing Parts Power Connector70Removing the Separation Roller Separation Roller82Removing and Replacing Parts Troubleshooting 2Troubleshooting Troubleshooting ProcessMajor Steps for Troubleshooting Image Quality 4Troubleshooting Troubleshooting Process FlowTroubleshooting Process Preliminary Operating Checks Troubleshooting the Printing System6Troubleshooting Power on Defect or Blank Display ProblemAction Power OnAction No AC Power Cause8Troubleshooting No DC Power Cause Action Printing an Engine Test 10TroubleshootingEngine Test Button Location Display Event Log 12TroubleshootingEvent Log Interpret the Event Log 14TroubleshootingDisplay the Event Log Print the Event LogLeft-most column Event Log Explanation Recommended Message Action 16TroubleshootingPrinter Messages Alphabetical Printer Messages Control Panel MessageDisk Device Failure Cannot Duplex Rear BIN Open Check Input DeviceDisk is Write Protected Flash Device Failure 18TroubleshootingInput Device Condition xx.yy Flash is Write Protected InitializingLoading Do not Power OFF20Troubleshooting Offline Memory Full Stored Data LostSystem is Full 22TroubleshootingRAM Disk Device Failure RAM Disk FileTray x Empty Unsupported Size in Tray YY 24TroubleshootingWait for Printer to Reinitialize USE Type Size INSTEAD?Paper JAM 26TroubleshootingNumerical Printer Messages Control Panel Message Event Explanation Recommended Log Action Message13.10 or Paper delay jam at paper For 13.20 28TroubleshootingPress GO to Continue Buffer OverflowPress GO to Continue Parallel I/O Buffer Overflow Press GO to Continue Serial I/O Buffer Overflow30Troubleshooting Recommended Action Printer Error32Troubleshooting Fuser ErrorPrinter 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 Paper Path Test 42TroubleshootingMenu Map Information Pages44Troubleshooting Configuration 46Troubleshooting 5ConfigurationVerify installed options Image Quality Checks Image Quality Checks Action 48TroubleshootingImage Quality Check the Toner CartridgeEconoMode Image Defects 50Troubleshooting10. Black Possible Cause Action Black Lines perpendicular path Possible Cause Action10. Black 52Troubleshooting11. Blank Possible Cause Action 54Troubleshooting Empty weight = 1450 grams 51.5 oz12. Blank Spots 11. Blank13. Character Voids Possible Cause Action 56Troubleshooting12. Blank Spots Possible Cause Action 14. Creases Possible Cause Action 15. Curl Possible Cause Action 58Troubleshooting17. Distorted Image 16. Dirt on Back Possible Cause Action18. Dropouts 60Troubleshooting19. Faded Print/Bubbles Possible Cause Action Family Paper Specifications Guide19. Faded Print/Bubbles 62Troubleshooting20. Gray Background Possible Cause Action 21. Horizontal Smudges Possible Cause Action 64Troubleshooting23. Light Print, Dark Print, or Fade Possible Cause Action 22. Horizontal White Lines24. Loose Toner Possible Cause Action 66Troubleshooting23. Light Print, Dark Print, or Fade 25. Repetitive Defects Possible Cause Action Examine and clean rollers in the paper path27. Toner Smear Possible Cause Action 68Troubleshooting26. Skew Possible Cause Action Dirt in printer 28. Toner Specks Possible Cause Action29. Vertical Black Lines 70TroubleshootingPaper SPEED=SLOW 31. Vertical White Lines 30. Vertical DotsRepetitive Defect Ruler 72Troubleshooting6Repetitive Defect Ruler Troubleshooting the Printing System 74Troubleshooting Image System Troubleshooting Half Self-Test Functional CheckDrum Rotation Functional Check Communications Check Interface TroubleshootingEIO Troubleshooting 76Troubleshooting7JetDirect Configuration Troubleshooting the Printing System 78Troubleshooting JetDirect ConfigurationLocations of Components Reference Diagrams9250-sheet Paper Feeder 80Troubleshooting10250-sheet Paper Feeder Reference Diagrams 11Tray 2 Paper Path 82Troubleshooting12500-sheet Paper Feeder Reference Diagrams 13500-sheet Paper Feeder 84TroubleshootingDuplexing Unit 86Troubleshooting Duplexing Unit 88Troubleshooting Sensors and SignalsPage 90Troubleshooting 32. Sensors and Signals NameTSW1 92Troubleshooting 19Location of Sensors and Switches20Duplexer Sensors and Switches Reference Diagrams 94Troubleshooting 22Motors Duplexing unit Reference Diagrams 96Troubleshooting Page 98Troubleshooting 26PCA Duplexing Unit Reference Diagrams 27Clutches and Solenoids 100Troubleshooting28Clutches and Solenoids Duplexing Unit Reference Diagrams 102Troubleshooting 30Switches 500-sheet Paper Feeder Reference Diagrams 104Troubleshooting 31DC Controller Board Test Points and Switches32250-sheet Paper Feeder Sensors Reference Diagrams 106Troubleshooting DC Controller PCA Inputs and Outputs 33DC Controller PCA I/O 1 Reference Diagrams34DC Controller PCA I/O 2 108Troubleshooting35DC Controller PCA I/O 3 Reference Diagrams 36DC Controller PCA I/O 4 110TroubleshootingParts and Diagrams Ordering Consumables How To Use the Parts Lists and Diagrams2Parts and Diagrams Ordering PartsNumbers 4Parts and Diagrams Accessories and SuppliesAccessories and Supplies Description Exchange No Product No Accessories and Supplies Description Exchange No. Product No Replaceable Cables Description Common Hardware and Replacement Cables6Parts and Diagrams Screws Used in the Printer DescriptionIllustrations and Parts Lists 8Parts and Diagrams 1Assembly Location DiagramIllustrations and Parts Lists 2External Covers and Panels 10Parts and DiagramsIllustrations and Parts Lists 12Parts and Diagrams Top Cover Assembly Item No Quantity DescriptionTop Cover Assembly Item No Quantity Description Internal Components 1 Item No. Part No Quantity Description 14Parts and DiagramsInternal Components 1 Item No. Part No Quantity Description 5Internal Components 2 16Parts and DiagramsInternal Components 2 Item No. Part No Quantity Description 6Internal Components 3 18Parts and DiagramsInternal Components 3 Item No. Part No Quantity Description 7Internal Components 4 20Parts and DiagramsIllustrations and Parts Lists 22Parts and Diagrams 8Upper Delivery Assembly9Tray 2 Paper Pickup Roller Assembly 24Parts and Diagrams 10Paper Feed Belt AssemblyIllustrations and Parts Lists 26Parts and Diagrams 11Paper Feed AssemblyIllustrations and Parts Lists 28Parts and Diagrams 12Registration Roller AssemblyRG5-3524-000CN Registration Roller Assembly Sheet Tray 30Parts and Diagrams16 -sheet Tray Item No. Part No Quantity Description 32Parts and Diagrams 14Main Drive AssemblyIllustrations and Parts Lists 34Parts and Diagrams 15Pickup Drive Assembly16PCA Assembly Locations 36Parts and Diagrams 17Printer Controller Assembly21. Fuser Item No. Part No Quantity Description Fuser19500-sheet Feeder 38Parts and Diagrams22 -sheet Feeder Item No. Part No Quantity Description 20500-sheet Feeder 40Parts and Diagrams23 -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 Part Number Description Table Number Numerical Parts List48Parts 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