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HP P2050 manual Enww

Models: P2050

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2.Slip the loose end of the spring into the cavity in the inner gear. Figure 6-57Reinstall the paper-pickup-gear assembly (2 of 3)

3.Press the two gears together until the gears snap together.

TIP: To test the assembly, hold the inner gear and rotate the outer gear away from you until it stops (slightly less than one-third of a full rotation). Release the outer gear. The spring should return the outer gear to its starting position.

Figure 6-58Reinstall the paper-pickup-gear assembly (3 of 3)

136 Chapter 6 Removal and replacement

ENWW

Image 148

HP P2050 manual Enww

Contents

HP LaserJet P2050 and P2030 Series Printers Page Page Copyright and License Trademark CreditsTable of contents Control panel Paper and print mediaManage and maintain Removal and replacement Theory of operationSolve problems Enww Parts and diagrams Appendix a Service and support Appendix B SpecificationsAppendix C Regulatory information 301Product basics Product comparison HP LaserJet P2050 Series PrintersHP LaserJet P2055d printer HP LaserJet P2055dn printer CE457A CE459A CE460AHP LaserJet P2035 printer HP LaserJet P2030 Series PrintersCE461A CE462A Product features Feature DescriptionButton, 6 LED control panel Product walkaround Front viewRear view Interface ports Model and serial number labelHP LaserJet P2030 Series Printers Rear view 1HP LaserJet P2035 printer Model and serial-number label location Software installation types for Windows Supported product softwareSoftware included with the product Macintosh softwareHP Web Jetadmin Other software providedSoftware for Windows Software for networksSoftware for other operating systems SoftwareWindows requirements System minimum requirementsMacintosh requirements Service name Description ConnectivitySupported networks HP LaserJet P2050 Series Printers 2Network product discoverySupported network HP LaserJet P2030 Series Printers 4IP addressing7Messaging and management 6Network product discovery8IP addressing Product basics Control panel Control-panel layout Control panel HP LaserJet P2050 Series Printers onlyNumber Button or light Function Use the control-panel menus Use the menusReports menu Menu item DescriptionSystem setup menu Menu item Sub-menu item DescriptionControl panel Service menu Use this menu to establish network configuration settings WEB Control panel HP LaserJet P2030 Series Printers only Go button and lightPaper and print media Size and dimensions Tray Optional 500-sheet Duplexer Supported paper and print mediaPaper for the HP LaserJet P2050 Series Printers Supported paper and print media sizesSupported paper and print media types Tray or bin Paper type Specifications Quantity Paper for the HP LaserJet P2030 Series PrintersTray and bin capacity RecycledSize and dimensions Tray 2Supported paper and print media sizesPaper type printer driver Tray Tray and bin capacity Load trays Load paper and print mediaPaper orientation for loading trays Tray Load A6-size paper Optional Tray 3 HP LaserJet P2050 Series Printers only Manual feed Configure trays HP LaserJet P2050 Series Printers only Configure traysConfigure trays HP LaserJet P2030 Series Printers only Use paper output options Print to the top standard output binPrint to the straight-through paper path rear output Paper and print media Manage and maintain Print the information pages DemoPrint the information pages Name of report DescriptionConfiguration Supplies StatusView HP ToolboxFX Status Event logSet up Status Alerts Set up E-mail AlertsAlerts HelpDevice Settings Device InformationPaper Handling PrintingPCL5c PostScriptShop for Supplies Network SettingsOther Links Enww Open the embedded Web server Manage a network productStatus tab Use HP Web Jetadmin software Use security featuresSupplies life Manage suppliesManage the print cartridge Enww Replace supplies and parts Supply replacement guidelinesRedistribute toner Change the print cartridge Enww Install memory HP LaserJet P2050 Series Printers only Install product memoryInstall memory HP LaserJet P2050 Series Printers only Enww Check Dimm installation Save resources permanent resourcesEnable memory for Windows Click the Device Settings tabClean the product Clean the print-cartridge areaClean the paper path HP LaserJet P2050 Series Printers only Clean the paper path HP LaserJet P2030 Series Printers onlyClean the Tray 1 pickup roller Settings tabEnww Enww Enww Clean the Tray 2 pickup roller Enww Reconnect the power cord, and turn the product on Manage and maintain Theory of operation 1Block diagram IntroductionInternal components 2Cross-section of productEnww 1Sequence of operation TimingName Timing Purpose Engine control system 3Engine control systemDC controller 4DC controllerLow-voltage power supply SwonHigh-voltage power supply 6High-voltage power supplyLaser/scanner system 7Laser/scanner systemLaser failure detection Image-formation system Primary charging10 Developing 11 Transfer 13 Fusing Pickup/feed/delivery system Pickup/feed/delivery systemJam detection 16Jam detectionEnww Removal and replacement Removal and replacement strategy Electrostatic dischargeRequired tools 1Phillips and pozidrive screwdriver comparisonBefore performing service After performing servicePost-service test Print-quality testPrint cartridge Tray 2 cassette 3Remove the Tray 2 cassetteRollers and pads Pickup roller TrayRelease two tabs 8Remove the pickup roller Tray 1 5 Removal and replacement Pickup roller assembly Tray 9Remove the pickup roller assembly Tray 2 1Enww 13Remove the pickup roller Tray 2 5 Separation-pad assembly Tray 14Remove the separation-pad assembly Tray 2 1Transfer roller 19Remove the transfer roller 4 Removal and replacement 20Remove the transfer roller 5 External panels, covers, and doors Dimm door HP LaserJet P2050 Series onlyRight cover 26Remove the right cover 4 Removal and replacement Reinstall the right cover Left cover Enww Rear cover, rear door, and duplex-paper-feed assembly Remove five screws callout Enww Enww Top-cover assembly Enww Remove three screws callout Cartridge-door assembly and front cover 44Remove the cartridge door assembly and front cover 2Carefully remove the cartridge-door assembly Reinstall the cartridge-door assembly and front cover Internal assemblies Formatter PCA HP LaserJet P2030 SeriesInternal assemblies Formatter PCA HP LaserJet P2050 Series Enww Paper-pickup-gear assembly Reinstall the paper-pickup-gear assembly 55Remove the paper-pickup-gear assembly 3Enww Cartridge-door switch Tray 1 pickup solenoid Enww Fan 65Remove the fan 3 Reverse-sensor assembly HP LaserJet P2050 Series Remove the reverse-sensor assembly Power-switch assembly 68Remove the power-switch assembly 1 Removal and replacement70Remove the power-switch assembly 3 71Remove the power-switch assembly 4 Removal and replacement Connecting PCA 72Remove the connecting PCA 1Enww 75Remove the connecting PCA 4 Inlet-cable assembly 76Remove the inlet-cable assembly 1 Removal and replacement78Remove the inlet-cable assembly 3 Registration assembly Top cover assembly. See Top-cover assembly on80Remove the registration assembly 2 Remove the guide Enww 85Remove the registration assembly 7 Laser/scanner assembly 87Remove the laser/scanner assembly 2 88Remove the fuser 1 Removal and replacement FuserEnww Enww 94Remove the fuser 7 Reinstall the fuser Engine controller unit ECU Enww 101Remove the ECU 5 Enww Enww 107Remove the ECU 11 Removal and replacement 109Remove the ECU 13 Reinstall the ECU 111Reinstall the fuser 1 Removal and replacementEnww Paper-feed-guide assembly 114Remove the paper-feed-guide assembly 2 Main motor 117Remove the main motor 3 118Remove the main motor 4 Face-down-drive or duplexing-paper-feed assembly Remove the fan duct Remove the face-down-drive or duplexing-paper-feed assembly Duplex solenoid HP LaserJet P2050 Series Paper-retaining-delivery assembly 125Remove the paper-retaining-delivery assembly 1Enww Enww Remove the paper-retaining-delivery assembly Solve problems Solve general problems Troubleshooting checklistFactors that affect product performance 1Basic problem solving Basic problem solvingProblem Cause Solution Engine components Engine test page onMenu map HP LaserJet P2050 Series Printers only Print a menu mapPre-troubleshooting checklist Troubleshooting processGeneral topic Questions For 10 to 20 minutes Tools for troubleshooting Continuous self-test HP LaserJet P2050 Series onlyHalf self-test functional check Drum rotation functional checkHigh-voltage contacts check Heating element checkChecking the print cartridge contacts 1High-voltage contact points on the print cartridge 2Left-side components Component locationsReference Component Description If disconnected or blocked 3Right-side components FM14Connector PCA components Reference Component Description5Rear-side components 6Print cartridge componentsOutput bin appears Cartridge area appears7Top components Bin full appears8Tray 1 and Tray 2 components Problem-solve diagrams Repetitive image defect ruler9Repetitive defects Component Distance between defectsDescription When disconnected 10Engine controller connectorsEngine controller PCA Control-panel messageLoad paper appears Supply memory error appearsOpen door and clear jam appear Major components 11Major componentsPCAs 12 PCAsTiming chart ChartGeneral Circuit diagram Circuit diagram14Control-panel light messages 13Status-light legendLight status State of the product Action Processing Data Manual Feed or Continuable Error Toner Low Toner Missing JamPaper Mount Supply memory error Fuser errorScanner Error Alert message Description Recommended actionEngine communication error Install black cartridgeDoor Open Jam in cartridge areaJam in output bin Jam in TrayNon-HP supply installed Load paperManual feed No paper pickupEngine error Control-panel messagesPrint failure Press OKError 41.X.ErrorTurn off then on Turn off then on Laser/scanner assembly error XX Error 51.0000Fan error Service error Device errorGenuine HP supply installed Press OK Door openSpecifications Cleaning mode OK to start Load paperLoad tray # Type Size Press OK for available mediaLoad tray 1 Type Size Manual duplexLoad tray Manual feed Type SizeUsed cartridge in use Used cartridge installedTo accept press OK Event-log messages Print the event log HP LaserJet P2050 Series Printers onlyPrint an event log HP LaserJet P2030 Series Printers only Event log messagesSolve problems Paper-handling problems Product is jammed.1 Cause SolutionJams Common causes of jamsClear jams Jam locationsInternal areas Print-cartridge area and paper path Enww Duplex paper path HP LaserJet P2050 Series Printers only Enww Enww Input trays Tray Tray Enww Tray 3 HP LaserJet P2050 Series Printers only Output bins Enww Printed page is different from what appeared onscreen Solve image-quality problems16Printed page is different from what appeared onscreen Image defect examples Light print or fadedToner specks DropoutsVertical lines Gray backgroundToner smear Loose tonerVertical repetitive defects Misformed charactersCurl or wave SkewWrinkles or creases Toner scatter outline Solve print-quality problems Print-quality problems associated with paperPrint-quality problems associated with the environment Print-quality problems associated with jamsSolve performance problems Solve direct-connect problems Solve connectivity problemsSolve network problems Service mode functions Open the secondary service menuSecondary service menu structure 17Secondary Service menuEngine resets Restore defaultsEngine test Nvram initialization HP LaserJet P2050 Series Printers onlySolve problems Parts and diagrams Order parts, accessories, and supplies Paper-handling accessories Part numbersPrint cartridges MemoryWhole unit replacement Product Model Voltage Description Part number1Common fasteners ScrewsExample Description Size Part Number How to use the parts lists and diagrams How to use the parts lists and diagrams External covers, panels, and doors HP LaserJet P20352External covers, panels, and doors HP LaserJet P2035 Description Part number QtyHP LaserJet P2055 3External covers, panels, and doors HP LaserJet P2055 Internal components 1 Hplj 2050 Series only4Internal components 1 Internal components 2 4Internal components 25Internal components 2 Internal components 3 Hplj 2030 Series only Hplj 2050 Series only6Internal components 3 Internal components 4 6Internal components 47Internal components 4 Internal components 5 7Internal components 58Internal components 5 Alphabetical parts list 9Alphabetical parts listInternal components 1 Switch, push SW301 cartridge-door interlock WC4-5171-000CN 10Numerical parts list Numerical parts listPart number Description External covers, panels, and doors HP LaserJet P2035 on RM1-6445-000CN Reverse-sensor assembly HP LaserJet P2055 Parts and diagrams Service and support Hewlett-Packard limited warranty statement Print cartridge limited warranty statement End User License Agreement TransferEnd User License Agreement Customer self-repair warranty service Customer support Ljp2030seriesHP maintenance agreements On-site service agreementsNext-day on-site service Weekly volume on-site serviceExtended warranty Appendix a Service and support Specifications Physical specifications Electrical specificationsTable B-1Product dimensions and weights Table B-3Product dimensions and weightsAcoustic emissions Operating environmentAppendix B Specifications Regulatory information FCC regulations Declaration of conformity Declaration of conformityDeclaration of Conformity Laser safety Safety statementsCanadian DOC regulations Laser statement for Finland Luokan 1 laserlaiteSubstances Table China Symbols/Numerics CablesDimm See also solving MacintoshPCL Enww Enww TCP/IP Enww Page CE457-90980* *CE457-90980