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HP P2050 manual 4Internal components 2

Models: P2050

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Figure 8-4Internal components 2 of 5

(J202)(J101)

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(J1202)

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(J1202)

(PS916)

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266 Chapter 8 Parts and diagrams

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HP P2050 manual 4Internal components 2

Contents

HP LaserJet P2050 and P2030 Series Printers Page Page Copyright and License Trademark Credits Table of contents Control panel Paper and print media Manage and maintain Removal and replacement Theory of operation Solve problems Enww Parts and diagrams Appendix C Regulatory information Appendix a Service and supportAppendix B Specifications 301 Product basics HP LaserJet P2055d printer HP LaserJet P2055dn printer Product comparisonHP LaserJet P2050 Series Printers CE457A CE459A CE460A CE461A CE462A HP LaserJet P2030 Series PrintersHP LaserJet P2035 printer Product features Feature Description Button, 6 LED control panel Product walkaround Front view Rear view Interface ports Model and serial number label HP LaserJet P2030 Series Printers Rear view 1HP LaserJet P2035 printer Model and serial-number label location Software included with the product Software installation types for WindowsSupported product software Macintosh software Software for Windows HP Web JetadminOther software provided Software for networks Software for other operating systems Software Macintosh requirements System minimum requirementsWindows requirements Supported networks HP LaserJet P2050 Series Printers Service name DescriptionConnectivity 2Network product discovery Supported network HP LaserJet P2030 Series Printers 4IP addressing 8IP addressing 6Network product discovery7Messaging and management Product basics Control panel Number Button or light Function Control panel HP LaserJet P2050 Series Printers onlyControl-panel layout Use the control-panel menus Use the menus Reports menu Menu item Description System setup menu Menu item Sub-menu item Description Control panel Service menu Use this menu to establish network configuration settings WEB Control panel HP LaserJet P2030 Series Printers only Go button and light Paper and print media Paper for the HP LaserJet P2050 Series Printers Size and dimensions Tray Optional 500-sheet DuplexerSupported paper and print media Supported paper and print media sizes Supported paper and print media types Tray and bin capacity Tray or bin Paper type Specifications QuantityPaper for the HP LaserJet P2030 Series Printers Recycled Size and dimensions Tray 2Supported paper and print media sizes Paper type printer driver Tray Tray and bin capacity Paper orientation for loading trays Load paper and print mediaLoad trays Tray Load A6-size paper Optional Tray 3 HP LaserJet P2050 Series Printers only Manual feed Configure trays HP LaserJet P2030 Series Printers only Configure traysConfigure trays HP LaserJet P2050 Series Printers only Use paper output options Print to the top standard output bin Print to the straight-through paper path rear output Paper and print media Manage and maintain Print the information pages Print the information pagesDemo Name of report Description Configuration Supplies Status View HP ToolboxFX Status Event log Alerts Set up Status AlertsSet up E-mail Alerts Help Device Settings Device Information PCL5c Paper HandlingPrinting PostScript Other Links Network SettingsShop for Supplies Enww Status tab Manage a network productOpen the embedded Web server Use HP Web Jetadmin software Use security features Manage the print cartridge Manage suppliesSupplies life Enww Redistribute toner Supply replacement guidelinesReplace supplies and parts Change the print cartridge Enww Install memory HP LaserJet P2050 Series Printers only Install product memory Install memory HP LaserJet P2050 Series Printers only Enww Check Dimm installation Save resources permanent resources Enable memory for Windows Click the Device Settings tab Clean the product Clean the print-cartridge area Clean the paper path HP LaserJet P2050 Series Printers only Clean the paper path HP LaserJet P2030 Series Printers only Clean the Tray 1 pickup roller Settings tab Enww 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 Introduction Internal components 2Cross-section of product Enww Name Timing Purpose Timing1Sequence of operation Engine control system 3Engine control system DC controller 4DC controller Low-voltage power supply Swon High-voltage power supply 6High-voltage power supply Laser/scanner system 7Laser/scanner system Laser failure detection Image-formation system Primary charging 10 Developing 11 Transfer 13 Fusing Pickup/feed/delivery system Pickup/feed/delivery system Jam detection 16Jam detection Enww Removal and replacement Removal and replacement strategy Electrostatic discharge Required tools 1Phillips and pozidrive screwdriver comparison Before performing service After performing service Post-service test Print-quality test Print cartridge Tray 2 cassette 3Remove the Tray 2 cassette Rollers and pads Pickup roller Tray Release two tabs 8Remove the pickup roller Tray 1 5 Removal and replacement Pickup roller assembly Tray 9Remove the pickup roller assembly Tray 2 1 Enww 13Remove the pickup roller Tray 2 5 Separation-pad assembly Tray 14Remove the separation-pad assembly Tray 2 1 Transfer 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 only Right 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 2 Carefully remove the cartridge-door assembly Reinstall the cartridge-door assembly and front cover Internal assemblies Formatter PCA HP LaserJet P2030 Series Internal assemblies Formatter PCA HP LaserJet P2050 Series Enww Paper-pickup-gear assembly Reinstall the paper-pickup-gear assembly 55Remove the paper-pickup-gear assembly 3 Enww 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 replacement 70Remove the power-switch assembly 3 71Remove the power-switch assembly 4 Removal and replacement Connecting PCA 72Remove the connecting PCA 1 Enww 75Remove the connecting PCA 4 Inlet-cable assembly 76Remove the inlet-cable assembly 1 Removal and replacement 78Remove the inlet-cable assembly 3 Registration assembly Top cover assembly. See Top-cover assembly on 80Remove 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 Fuser Enww 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 replacement Enww 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 1 Enww Enww Remove the paper-retaining-delivery assembly Solve problems Solve general problems Troubleshooting checklist Factors that affect product performance Problem Cause Solution Basic problem solving1Basic problem solving Engine components Engine test page on Menu map HP LaserJet P2050 Series Printers only Print a menu map General topic Questions Troubleshooting processPre-troubleshooting checklist For 10 to 20 minutes Half self-test functional check Tools for troubleshootingContinuous self-test HP LaserJet P2050 Series only Drum rotation functional check Checking the print cartridge contacts Heating element checkHigh-voltage contacts check 1High-voltage contact points on the print cartridge Reference Component Description If disconnected or blocked Component locations2Left-side components 3Right-side components FM1 4Connector PCA components Reference Component Description Output bin appears 5Rear-side components6Print cartridge components Cartridge area appears 7Top components Bin full appears 8Tray 1 and Tray 2 components 9Repetitive defects Problem-solve diagramsRepetitive image defect ruler Component Distance between defects Engine controller PCA 10Engine controller connectorsDescription When disconnected Open door and clear jam appear Supply memory error appearsControl-panel messageLoad paper appears Major components 11Major components PCAs 12 PCAs General ChartTiming chart Circuit diagram Circuit diagram Light status State of the product Action 13Status-light legend14Control-panel light messages Processing Data Manual Feed or Continuable Error Toner Low Toner Missing Jam Paper Mount Scanner Error Supply memory errorFuser error Alert message Description Recommended action Door Open Engine communication errorInstall black cartridge Jam in cartridge area Jam in output bin Jam in Tray Manual feed Non-HP supply installedLoad paper No paper pickup Print failure Engine errorControl-panel messages Press OK Turn off then on 41.X.ErrorError Fan error XX Error 51.0000Turn off then on Laser/scanner assembly error Genuine HP supply installed Service errorDevice error Press OK Door open Specifications Load tray # Type Size Cleaning mode OK to startLoad paper Press OK for available media Load tray Load tray 1 Type SizeManual duplex Manual feed Type Size To accept press OK Used cartridge installedUsed cartridge in use Print an event log HP LaserJet P2030 Series Printers only Event-log messagesPrint the event log HP LaserJet P2050 Series Printers only Event log messages Solve problems Jams Paper-handling problemsProduct is jammed.1 Cause Solution Common causes of jams Internal areas Print-cartridge area and paper path Jam locationsClear jams 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 16Printed page is different from what appeared onscreen Solve image-quality problemsPrinted page is different from what appeared onscreen Image defect examples Light print or faded Vertical lines Toner specksDropouts Gray background Vertical repetitive defects Toner smearLoose toner Misformed characters Wrinkles or creases SkewCurl or wave Toner scatter outline Print-quality problems associated with the environment Solve print-quality problemsPrint-quality problems associated with paper Print-quality problems associated with jams Solve performance problems Solve network problems Solve connectivity problemsSolve direct-connect problems Secondary service menu structure Service mode functionsOpen the secondary service menu 17Secondary Service menu Engine test Engine resetsRestore defaults Nvram initialization HP LaserJet P2050 Series Printers only Solve problems Parts and diagrams Order parts, accessories, and supplies Print cartridges Paper-handling accessoriesPart numbers Memory Whole unit replacement Product Model Voltage Description Part number Example Description Size Part Number Screws1Common fasteners How to use the parts lists and diagrams How to use the parts lists and diagrams External covers, panels, and doors HP LaserJet P2035 2External covers, panels, and doors HP LaserJet P2035 Description Part number Qty HP LaserJet P2055 3External covers, panels, and doors HP LaserJet P2055 Internal components 1 Hplj 2050 Series only 4Internal components 1 Internal components 2 4Internal components 2 5Internal components 2 Internal components 3 Hplj 2030 Series only Hplj 2050 Series only 6Internal components 3 Internal components 4 6Internal components 4 7Internal components 4 Internal components 5 7Internal components 5 8Internal components 5 Alphabetical parts list 9Alphabetical parts list Internal components 1 Switch, push SW301 cartridge-door interlock WC4-5171-000CN Part number Description Numerical parts list10Numerical parts list 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 Transfer End User License Agreement Customer self-repair warranty service Customer support Ljp2030series Next-day on-site service HP maintenance agreementsOn-site service agreements Weekly volume on-site service Extended warranty Appendix a Service and support Specifications Table B-1Product dimensions and weights Physical specificationsElectrical specifications Table B-3Product dimensions and weights Acoustic emissions Operating environment Appendix B Specifications Regulatory information FCC regulations Declaration of Conformity Declaration of conformityDeclaration of conformity Canadian DOC regulations Safety statementsLaser safety Laser statement for Finland Luokan 1 laserlaite Substances Table China Symbols/Numerics Cables Dimm See also solving Macintosh PCL Enww Enww TCP/IP Enww Page CE457-90980* *CE457-90980