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HP P2050 manual Remove five screws callout

Models: P2050

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3.Remove five screws (callout 1).

Figure 6-34Remove the rear cover, rear door, and duplex-paper-feed assembly (2 of 6)

1

4.Release one tab (callout 2).

Figure 6-35Remove the rear cover, rear door, and duplex-paper-feed assembly (3 of 6)

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ENWW	External panels, covers, and doors 121

Image 133

HP P2050 manual Remove five screws callout

Contents

HP LaserJet P2050 and P2030 Series Printers Page Page Trademark Credits Copyright and LicenseTable of contents Paper and print media Control panelManage and maintain Theory of operation Removal and replacementSolve problems Enww Parts and diagrams Appendix B Specifications Appendix a Service and supportAppendix C Regulatory information 301Product basics HP LaserJet P2050 Series Printers Product comparisonHP LaserJet P2055d printer HP LaserJet P2055dn printer CE457A CE459A CE460AHP LaserJet P2035 printer HP LaserJet P2030 Series PrintersCE461A CE462A Feature Description Product featuresButton, 6 LED control panel Front view Product walkaroundRear view Model and serial number label Interface portsHP LaserJet P2030 Series Printers Rear view 1HP LaserJet P2035 printer Model and serial-number label location Supported product software Software installation types for WindowsSoftware included with the product Macintosh softwareOther software provided HP Web JetadminSoftware for Windows Software for networksSoftware Software for other operating systemsWindows requirements System minimum requirementsMacintosh requirements Connectivity Service name DescriptionSupported networks HP LaserJet P2050 Series Printers 2Network product discovery4IP addressing Supported network HP LaserJet P2030 Series Printers7Messaging 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 menus Use the control-panel menusMenu item Description Reports menuMenu item Sub-menu item Description System setup menuControl panel Service menu Use this menu to establish network configuration settings WEB Go button and light Control panel HP LaserJet P2030 Series Printers onlyPaper and print media Supported paper and print media Size and dimensions Tray Optional 500-sheet DuplexerPaper for the HP LaserJet P2050 Series Printers Supported paper and print media sizesSupported paper and print media types Paper for the HP LaserJet P2030 Series Printers Tray or bin Paper type Specifications QuantityTray and bin capacity Recycled2Supported paper and print media sizes Size and dimensions TrayPaper 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 Print to the top standard output bin Use paper output optionsPrint to the straight-through paper path rear output Paper and print media Manage and maintain Demo Print the information pagesPrint the information pages Name of report DescriptionSupplies Status ConfigurationView HP ToolboxFX Event log StatusSet up E-mail Alerts Set up Status AlertsAlerts HelpDevice Information Device SettingsPrinting Paper HandlingPCL5c PostScriptShop for Supplies Network SettingsOther Links Enww Open the embedded Web server Manage a network productStatus tab Use security features Use HP Web Jetadmin softwareSupplies life Manage suppliesManage the print cartridge Enww Replace supplies and parts Supply replacement guidelinesRedistribute toner Change the print cartridge Enww Install product memory Install memory HP LaserJet P2050 Series Printers onlyInstall memory HP LaserJet P2050 Series Printers only Enww Save resources permanent resources Check Dimm installationClick the Device Settings tab Enable memory for WindowsClean the print-cartridge area Clean the productClean the paper path HP LaserJet P2030 Series Printers only Clean the paper path HP LaserJet P2050 Series Printers onlySettings tab Clean the Tray 1 pickup rollerEnww Enww Enww Clean the Tray 2 pickup roller Enww Reconnect the power cord, and turn the product on Manage and maintain Theory of operation Introduction 1Block diagram2Cross-section of product Internal componentsEnww 1Sequence of operation TimingName Timing Purpose 3Engine control system Engine control system4DC controller DC controllerSwon Low-voltage power supply6High-voltage power supply High-voltage power supply7Laser/scanner system Laser/scanner systemLaser failure detection Primary charging Image-formation system10 Developing 11 Transfer 13 Fusing Pickup/feed/delivery system Pickup/feed/delivery system16Jam detection Jam detectionEnww Removal and replacement Electrostatic discharge Removal and replacement strategy1Phillips and pozidrive screwdriver comparison Required toolsAfter performing service Before performing servicePrint-quality test Post-service testPrint cartridge 3Remove the Tray 2 cassette Tray 2 cassettePickup roller Tray Rollers and padsRelease two tabs 8Remove the pickup roller Tray 1 5 Removal and replacement 9Remove the pickup roller assembly Tray 2 1 Pickup roller assembly TrayEnww 13Remove the pickup roller Tray 2 5 14Remove the separation-pad assembly Tray 2 1 Separation-pad assembly TrayTransfer roller 19Remove the transfer roller 4 Removal and replacement 20Remove the transfer roller 5 Dimm door HP LaserJet P2050 Series only External panels, covers, and doorsRight 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 44Remove the cartridge door assembly and front cover 2 Cartridge-door assembly and front coverCarefully remove the cartridge-door assembly Reinstall the cartridge-door assembly and front cover Formatter PCA HP LaserJet P2030 Series Internal assembliesInternal assemblies Formatter PCA HP LaserJet P2050 Series Enww Paper-pickup-gear assembly 55Remove the paper-pickup-gear assembly 3 Reinstall the paper-pickup-gear assemblyEnww 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 68Remove the power-switch assembly 1 Removal and replacement Power-switch assembly70Remove the power-switch assembly 3 71Remove the power-switch assembly 4 Removal and replacement 72Remove the connecting PCA 1 Connecting PCAEnww 75Remove the connecting PCA 4 76Remove the inlet-cable assembly 1 Removal and replacement Inlet-cable assembly78Remove the inlet-cable assembly 3 Top cover assembly. See Top-cover assembly on Registration assembly80Remove the registration assembly 2 Remove the guide Enww 85Remove the registration assembly 7 Laser/scanner assembly 87Remove the laser/scanner assembly 2 Fuser 88Remove the fuser 1 Removal and replacementEnww 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 111Reinstall the fuser 1 Removal and replacement Reinstall the ECUEnww 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 125Remove the paper-retaining-delivery assembly 1 Paper-retaining-delivery assemblyEnww Enww Remove the paper-retaining-delivery assembly Solve problems Troubleshooting checklist Solve general problemsFactors that affect product performance 1Basic problem solving Basic problem solvingProblem Cause Solution Engine test page on Engine componentsPrint a menu map Menu map HP LaserJet P2050 Series Printers onlyPre-troubleshooting checklist Troubleshooting processGeneral topic Questions For 10 to 20 minutes Continuous self-test HP LaserJet P2050 Series only Tools for troubleshootingHalf 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 FM1 3Right-side componentsReference Component Description 4Connector PCA components6Print cartridge components 5Rear-side componentsOutput bin appears Cartridge area appearsBin full appears 7Top components8Tray 1 and Tray 2 components Repetitive image defect ruler Problem-solve diagrams9Repetitive 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 11Major components Major components12 PCAs 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 Jam Toner MissingPaper Mount Fuser error Supply memory errorScanner Error Alert message Description Recommended actionInstall black cartridge Engine communication errorDoor Open Jam in cartridge areaJam in Tray Jam in output binLoad paper Non-HP supply installedManual feed No paper pickupControl-panel messages Engine errorPrint failure Press OKError 41.X.ErrorTurn off then on Turn off then on Laser/scanner assembly error XX Error 51.0000Fan error Device error Service errorGenuine HP supply installed Press OK Door openSpecifications Load paper Cleaning mode OK to startLoad tray # Type Size Press OK for available mediaManual duplex Load tray 1 Type SizeLoad tray Manual feed Type SizeUsed cartridge in use Used cartridge installedTo accept press OK Print the event log HP LaserJet P2050 Series Printers only Event-log messagesPrint an event log HP LaserJet P2030 Series Printers only Event log messagesSolve problems Product is jammed.1 Cause Solution Paper-handling problemsJams 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 Light print or faded Image defect examplesDropouts Toner specksVertical lines Gray backgroundLoose toner Toner smearVertical repetitive defects Misformed charactersCurl or wave SkewWrinkles or creases Toner scatter outline Print-quality problems associated with paper Solve print-quality problemsPrint-quality problems associated with the environment Print-quality problems associated with jamsSolve performance problems Solve direct-connect problems Solve connectivity problemsSolve network problems Open the secondary service menu Service mode functionsSecondary service menu structure 17Secondary Service menuRestore defaults Engine resetsEngine test Nvram initialization HP LaserJet P2050 Series Printers onlySolve problems Parts and diagrams Order parts, accessories, and supplies Part numbers Paper-handling accessoriesPrint cartridges MemoryProduct Model Voltage Description Part number Whole unit replacement1Common fasteners ScrewsExample Description Size Part Number How to use the parts lists and diagrams How to use the parts lists and diagrams HP LaserJet P2035 External covers, panels, and doorsDescription Part number Qty 2External covers, panels, and doors HP LaserJet P2035HP LaserJet P2055 3External covers, panels, and doors HP LaserJet P2055 Hplj 2050 Series only Internal components 14Internal components 1 4Internal components 2 Internal components 25Internal components 2 Hplj 2030 Series only Hplj 2050 Series only Internal components 36Internal components 3 6Internal components 4 Internal components 47Internal components 4 7Internal components 5 Internal components 58Internal components 5 9Alphabetical parts list Alphabetical 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 Transfer End User License AgreementEnd User License Agreement Customer self-repair warranty service Ljp2030series Customer supportOn-site service agreements HP maintenance agreementsNext-day on-site service Weekly volume on-site serviceExtended warranty Appendix a Service and support Specifications Electrical specifications Physical specificationsTable B-1Product dimensions and weights Table B-3Product dimensions and weightsOperating environment Acoustic emissionsAppendix B Specifications Regulatory information FCC regulations Declaration of conformity Declaration of conformityDeclaration of Conformity Laser safety Safety statementsCanadian DOC regulations Luokan 1 laserlaite Laser statement for FinlandSubstances Table China Cables Symbols/NumericsDimm Macintosh See also solvingPCL Enww Enww TCP/IP Enww Page CE457-90980* *CE457-90980