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HP 5000n manual Printer Subsystems, 2Functional Information

Models: 5000n

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Printer Subsystems

This chapter presents a generalized functional overview of the printer and the printing processes.

Figure 5-1Paper Feed Subsystem

5-2Functional Information

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HP 5000n manual Printer Subsystems, 2Functional Information

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 DescriptionPrinter Features Printer Features2Printer Description 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 cartridgeAcoustic Emissions Per ISO Printer State Sound Power Environmental Requirements10Printer Description 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 TableTransparencies LabelsVellum Label ConstructionEnvelopes Envelope ConstructionEnvelopes with Double-Side-Seams Envelopes with Adhesive Strips or Flaps Card Stock and Heavy PaperEnvelope Margins Envelope StorageCard Stock Guidelines Card Stock ConstructionLaser Safety Statement Safety InformationCanadian DOC Regulations 22Printer DescriptionFCC Regulations Klass 1 Laser Apparat Laser statement for Finland Luokan 1 laserlaiteVaroitus VarningMaterial Safety Data Sheet Protecting the Environment Environmental Product StewardshipThis HP LaserJet printer design reduces Printer design eliminatesService Approach 2Service Approach Service ApproachOrdering Information Parts and Supplies4Service Approach Helpful DocumentationHelpful Documentation Description or Use Part Number Exchange Program Phone Numbers for OrderingConsumables Technical Assistance6Service Approach HP CompuServe ForumHP FIRST, Europe Other Areas North American Response Center NarcToner Cartridge Information 8Service ApproachRefilled Toner Cartridges Recycling Toner CartridgesWarranty Statement 10Service Approach Printer Operation Control Panel Layout Using the Control PanelControl Panel Lights Control Panel Lights LightIndicationControl Panel Keys Control Panel Keys FunctionPaper Size Setting the Display Language Settings and DefaultsSettings and Defaults Setting or Default ExplanationTo change a Control Panel setting Control Panel MenusTo print a Control Panel menu map Information Menu Print Menu MAP Print ConfigurationInformation Menu ItemExplanation 6Printer OperationPaper Handling Menu ValuesExplanation Paper Handling MenuTray 1 MODE= First Tray 1 SIZE= Letter Cassette Tray 1 TYPE= Plain Tray 2 TYPE= Tray 3 TYPE=8Printer Operation Paper Handling Menu Values ExplanationPaper Handling Menu ItemValues Configure Fuser Mode no MENU=NOYESPrint Quality Menu RESOLUTION=Print Quality Menu Values FastresRET=MEDIUM OFF Light DarkECONOMODE=OFF 12Printer Operation Toner DENSITY=3 Create CleaningPrinting Menu Values Explanation Printing MenuCOPIES=1 PAPER= Letter14Printer Operation Printing Menu ValuesSOURCE=INTERNAL Soft PCL Font InternalPCL Font NUMBER=016Printer Operation Append CR to LF=Configuration Menu Configuration MenuConfiguration Menu Values Explanation Resource SAVE= OFF Auto18Printer Operation Clearablejob MEMORY, Press GO to Continue PROTECT= AutoAuto CONTINUE= Configuration Menu ItemValuesTonercontinue LOW=CONTINUE Stop 20Printer OperationMopier Standard MODE=STANDARD EnhancedRAM DISK=OFF JAM RECOVERY= Configuration Menu ValuesRAM Disk Auto OFF Paperoff REFORMING=OFF onMESSAGE=OFF Maintenance OFFSmall Paper SPEED=NORMAL SlowMenu TIMEOUT=15I/O Menu Values Explanation BUFFER=AUTO AutoBuffer SIZE= I/O Menu ItemValuesParallel High SPEED=YES Parallel ADV FUNCTIONS=ON26Printer Operation 10. EIO Menu Values Explanation EIO Menu Networked PrintersCFG TCP/IP=NO CFG ETALK=NO28Printer Operation Resets Menu 11. Resets Menu ExplanationReset Memory Service Mode To enter Service Mode30Printer Operation Service Menu Setting the Page Count, Maintenance CountSerial Number 32Printer Operation CountService Menu Service Mode12. Changing the Page Count Key Press Display DescriptionDiagnostics Cold Reset PaperMaintenance Page Count Clear Event LogEngine Test Testing the PrinterCold Reset Resetting the PrinterTo perform a cold reset Clearing NvramSystem Configuration MS-DOS System ConfigurationParallel DOS Commands 38Printer Operation Serial MS-DOS CommandsPrinter I/O Configuration Serial ConfigurationParallel Menu 40Printer Operation Pacing HandshakingPrinter Maintenance 2Printer Maintenance Cleaning the Printer and AccessoriesInside General Cleaning the Printer Component Cleaning Method / NotesCleaning Spilled Toner Using the Printer Cleaning4Printer Maintenance Reset Maintenance Count Preventative MaintenanceExpected Life of Components Life of Components Part name Quantity Expected Life6Printer 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 DriveSolenoids, Sensors, Clutches, and Switches Paper Motion Monitoring and ControlEngine Test Print 10Functional Information MotorsPage PowerSave Formatter System12Functional Information EconoMode Resolution Enhancement technology REtInput/Output Random Access Memory RAM Printer MemoryRead Only Memory ROM Dimm Slots Disk AccessoryMemory Enhancement technology MEt ProtectControl 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 DrumWriting the Image Bdic PCB24Functional Information 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 Duplexer Reversing/Refeed System38Functional Information 22Paper Feed for the Duplexer Paper Feed System 40Functional Information Reversing SystemDuplexing Unit Pause Mode Uncurling Function42Functional Information 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 User Installable Accessories Memory Upgrade2Removing and Replacing Parts 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 10Removing and Replacing Parts Removing CoversRear Door / Rear Output Bin 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 and Feed Roller 78Removing and Replacing PartsFeed Roller Removal 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 Troubleshooting Process Major Steps for Troubleshooting2Troubleshooting Image Quality 4Troubleshooting Troubleshooting Process FlowTroubleshooting Process Troubleshooting the Printing System 6TroubleshootingPreliminary Operating Checks Power on Defect or Blank Display ProblemAction Power OnNo AC Power Cause 8TroubleshootingAction No DC Power Cause Action 10Troubleshooting Engine Test Button LocationPrinting an Engine Test Display Event Log 12TroubleshootingEvent Log Display the Event Log 14TroubleshootingPrint the Event Log Interpret the Event LogLeft-most column Printer Messages 16TroubleshootingAlphabetical Printer Messages Control Panel Message Event Log Explanation Recommended Message ActionDisk 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 InitializingDo not Power OFF 20TroubleshootingLoading Offline Memory Full Stored Data LostRAM Disk Device Failure 22TroubleshootingRAM Disk File System is FullTray x Empty Unsupported Size in Tray YY 24TroubleshootingWait for Printer to Reinitialize USE Type Size INSTEAD?Numerical Printer Messages Control Panel Message 26TroubleshootingEvent Explanation Recommended Log Action Message Paper JAM13.10 or Paper delay jam at paper For 13.20 28TroubleshootingPress GO to Continue Parallel I/O Buffer Overflow Buffer OverflowPress GO to Continue Serial I/O Buffer Overflow Press GO to Continue30Troubleshooting Recommended Action Printer Error32Troubleshooting Fuser ErrorPrinter Error 34Troubleshooting Cycle Power to Continue 36Troubleshooting 69.x 38Troubleshooting 8x.yyyy General Paper Path Troubleshooting General Paper Path Troubleshooting Questions ProblemAction40Troubleshooting General Paper Path Troubleshooting Questions Problem Action Paper Path Test 42TroubleshootingMenu Map Information Pages44Troubleshooting Configuration 46Troubleshooting 5ConfigurationVerify installed options Image Quality 48TroubleshootingCheck the Toner Cartridge Image Quality Checks Image Quality Checks ActionEconoMode 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. Blank56Troubleshooting 12. Blank Spots Possible Cause Action13. Character Voids 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 Lines66Troubleshooting 23. Light Print, Dark Print, or Fade24. Loose Toner Possible Cause Action 25. Repetitive Defects Possible Cause Action Examine and clean rollers in the paper path68Troubleshooting 26. Skew Possible Cause Action27. Toner Smear Possible Cause Action Dirt in printer 28. Toner Specks Possible Cause Action70Troubleshooting Paper SPEED=SLOW29. Vertical Black Lines 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 EIO Troubleshooting Interface Troubleshooting76Troubleshooting Communications Check7JetDirect 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 2Parts and Diagrams How To Use the Parts Lists and DiagramsOrdering Parts Ordering ConsumablesNumbers Accessories and Supplies Accessories and Supplies Description Exchange No Product No4Parts and Diagrams Accessories and Supplies Description Exchange No. Product No 6Parts and Diagrams Common Hardware and Replacement CablesScrews Used in the Printer Description Replaceable Cables 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 Alphabetical Parts List 42Parts and DiagramsDescription Part Number Table Number 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