HP 400 manual 4Internal assemblies 2

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Internal assemblies (2 of 5)

Figure 3-4Internal assemblies (2 of 2)

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3

4

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(SL1)

256 Chapter 3 Parts and diagrams

ENWW

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Contents M375 M475 Page Page Copyright and License Trademark CreditsConventions used in this guide Conventions used in this guide Table of contents Enww Solve problems 111 135 Load Tray 1 Type SIZE, Press OK to use available media Enww Enww 218 Parts and diagrams 245 279 289291 Enww Index 313 List of tables Xviii List of figures 35 Remove the rear door simplex product 1 74 Reinstall the left cover 1 137 Remove the fuser 1 101 Rollers 124 Xxiv Removal and replacement Removal and replacement strategy Removal and replacement strategyIntroduction Electrostatic discharge Required toolsTypes of screws Common fastenersDescription Size Part Number Service approach Before performing serviceAfter performing service Test 2 copy-quality test Post-service testsTest 1 print-quality test Test 3 fax-quality test fax models onlyParts removal order 2Parts removal order 13Parts removal order 2 Removal and replacement Removal and replacement procedures Rollers and padsTransfer roller Pickup roller Tray 2 and Tray 4Remove the pickup roller 1 5Remove the pickup roller 2 Removal and replacement Separation roller Trays 2 or 6Remove the pickup roller 1Enww Reinstall the separation roller 9Reinstall the separation rollerDocument feeder pickup roller assembly Pickup roller and separation pad Tray 13Remove the Tray 1 pickup roller 2 Removal and replacement 15Remove the Tray 1 separation pad Main assemblies Print-cartridge drawerEnww Dimm cover Right cover 22Remove the right cover 3 Removal and replacement Document feeder input tray 24Remove the document feeder input tray 2Scanner assembly 25Remove the scanner assembly 1 Remove four screws calloutEnww Right-front cover and power button Enww 30Remove the rear-upper cover 2 Removal and replacement Rear-upper cover duplex productPaper-feed guide assembly 32Remove the feed assembly 2Rear-door stopper and link caps simplex product Rear door simplex product 36Remove the rear door simplex product 2Enww Rear door duplex product 40Remove the rear door duplex product 2Enww Rear cover and feed guide simplex product Before proceeding, remove the following componentsRemove the rear cover and feed guide simplex product Remove three screws callout Enww Enww Rear-lower cover and rear-door links duplex product Enww Enww Enww Rear-door rib assembly duplex product Remove the rear-door rib assembly duplex productEnww Link guide 58Replace the link guide simplex productsControl panel and right-arm mount Reinstall the control panel and right-arm mount 63Reinstall the control panel and right-arm mount 1Enww Upper-cover assembly Remove the upper-cover assemblyEnww Reinstall the upper-cover assembly 69Reinstall the upper-cover assembly 2Enww Left cover Remove the left cover73Remove the left cover 3 Removal and replacement Reinstall the left cover 75Reinstall the left cover 2Front-door assembly Remove the front-door assembly78Remove the front-door assembly 3 Enww Enww Push the black-plastic arm into the product 85Remove the front-door assembly 10 Reinstall the front-door assemblyEnww Intermediate transfer belt ITB 89Remove the ITB 291Remove the ITB 4 Removal and replacement 93Remove the ITB 6 Diagnostics Reinstall the ITBDrum motor M1 and developer motor M2 95Remove motor M1 and motor M2 196Remove motor M1 and motor M2 2 Removal and replacement 97Remove motor M1 and motor M2 3 Release one tab callout 100Remove motor M1 and motor M2 6 Reinstall the drum motor M1 and developer motor M2 Intermediate PCA Formatter PCA and fax PCA Replacing the formatter PCA before the DC controller PCARemove the formatter PCA and fax PCA 104Remove the formatter 1 of 4 base model 106Remove the formatter 3 of 4 base model Wireless PCA 108Remove the wirelss PCA 1 Remove the wireless PCA calloutDC controller PCA Replacing the DC controller PCA before the formatter PCABefore you proceed, remove the following components Remove the DC controller PCA 110Remove the DC controller PCA 1Enww Fuser-motor assembly Remove the fuser-motor assemblyEnww Enww 117Remove the fuser-motor assembly 6 Reinstall the fuser-motor assemblyHigh-voltage power-supply PCA Remove the high-voltage power-supply PCAEnww Enww Color-misregistration sensor assembly Remove the color-misregistration sensor assembly126Remove the color-misregistration sensor assembly PCA 3 127Remove the color-misregistration sensor assembly PCA 4 Reinstall the color-misregistration sensor assemblyEnww Fan FM1 131Remove the fan FM1 2 USB PCA fax/memory-card models Remove the USB PCADuplex-reverse drive assembly Remove the duplex-reverse drive assemblyRelease the wire harnesses from the retainer callout 136Remove the duplex-reverse drive assembly 4 Fuser Remove the fuser 137Remove the fuser 1Enww 141Remove the fuser 5 142Remove the fuser 6 144Remove the fuser 8 Reinstall the fuser 145Reinstall the fuser Removal and replacementPaper-delivery assembly Remove the paper-delivery assemblyEnww 149Remove the paper-delivery assembly 4 Tray cassettes and optional Tray 3 assembly Solve problems Solve problems checklist Menu map Print a menu mapTroubleshooting process Pretroubleshooting checklistGeneral topic Questions Power-on checks Troubleshooting tools Component diagnosticsLED diagnostics Test the control-panel display Component testsControl-panel tests Test the control-panel buttonsDiagrams Plug/jack locationsLocation of connectors Connector BoardDC controller PCA Enww Location of major components Major components1Major components Enww Motors and fans 2Solenoid, sensors, and motorsRollers Item DescriptionPCAs PCAsOptional 250-sheet cassette 5Optional 250-sheet cassetteGeneral timing diagram General circuit diagram 129 Asic diagram HVT / Toneremp Driver PCA1-1 Environment Sensor Diagram FSR diagramService Print quality troubleshootingPrint the Configuration Internal print quality test pagesPrint the Service Print-quality troubleshooting toolsClean the paper path Print the cleaningCalibrate the product Setup MenuControl panel menus Calibrate the product from the control panelHP Web Services menu Menu item DescriptionReports menu Quick Forms menu Menu item Sub-menu item DescriptionFax Setup menu Menu item Sub-menu item DescriptionMenu item Sub-menu item Private Receive Off System Setup menu Side on the first side of a two-sided Adjust Tray X1 ShiftUse the Y Shift setting to center the image from top to Bottom onProduct Security Disable FaxOff Supply Settings Black Cartridge Very Low Setting Prompt USB Flash DriveLow Threshold Cyan Enter percentage Magenta Color Cartridges Very Low Setting StopPrint Black YellowCourier Font Regular Store Usage Data On SupplyNot on Supply Dark Color CopyService menu Restore Defaults HP SmartInstall Off Network Setup menu Sets the product so that it communicates only with Web Function specific menusCopy menu ID CopySpecifies the paper size and type Fax menu Displays pending fax jobs, JobsOpens the Fax Setup menu Scan menuControl panel message types 10.100X Supply Memory ErrorInterpret control panel messages Control panel messagesError, Turn off then on Fuser ErrorScanner Error Fan Error, Turn off then on Error Turn off then onBlack Cartridge Low Black in wrong position Canceled scan. Clear documentCanceled send. Clear document Black Very LowCyan in wrong position Communication errorCyan Cartridge Low Cyan Very LowDocument feeder door is open Device error, press OKDevice is busy. Try again later Document feeder jam. Clear and reloadDocument feeder mispick. Reload Engine Communication ErrorEngine error. Press OK to continue Door openFax is busy. Canceled send Fax receive errorFax is busy. Redial pending Fax Send error Fax storage is full. Canceling the fax receiveInstall color cartridge Fax storage is full. Canceling the fax sendGenuine HP supply installed Fit to Page on flatbed onlyJam in area, Open door and clear jam Invalid driver Press OKInvalid entry Jam in Tray 1, Clear jam and then press OKMagenta Cartridge Low Load Tray 1, Plain Size / Cleaning mode, OK to startLoad tray X Press OK for available media Magenta in wrong positionMemory is low. Press OK Manual Duplex Load Tray 1, Press OKManual feed Size TYPE, Press OK to use available media Memory is low. Try again laterMisprint, Press OK No fax answer. Canceled sendMemory low Only 1 copy made. Press OK to continue No dial toneNo fax answer. Redial pending No fax detectedRemove shipping lock from color cartridge Print failure, press OK. If error repeats, turn off then onScanner error #, Turn off then on Remove shipping locks from cartridgesScanner reserved for PC scan Scanning error Cannot connectSettings cleared Unexpected size in tray # Load size Press OKUsed color in use Used color installed, to accept press OKUnsupported color Press OK to continue Used supplies in useEvent-log messages Yellow in wrong positionYellow Very Low 7Event-log messages Print the event logEvent log messages Event code DescriptionTroubleshooting tools 177 Description Solution Event-log messagesEvent-log-only messages Event code Description Solution 8Event-log-only messagesClear jams Common causes of jamsJam locations Clear jams from the document feeder Enww Clear jams in Tray Enww Enww Clear jams in Tray Clear jams in the fuser area Clear jams in the output bin Clear jams in the duplexer duplexing models only Enww Solve paper-handling problems Product picks up multiple sheets of paperProduct does not pick up paper Solve image-quality problems Problem CausePrint quality examples AaBbCc Problem Cause Solution Severity of the defect Color image defects Continue BlackAaBbCc Clean the paper path Clean the productClean the pickup and separation rollers Clean the paper path from the product control panelClean the scanner glass strip and platen Clean the document feeder pickup rollers and separation pad Clean the touch screen Solve performance problems Factors affecting print performancePrint speeds Product does not print or it prints slowly Product does not printProduct prints slowly Solve network problems Solve product connectivity problemsSolve direct-connect problems Computer is using the incorrect IP address for the productSolve wireless network problems Computer or workstation might be set up incorrectlyComputer is unable to communicate with the product Wireless connectivity checklist Cannot connect more computers to the wireless product Network does not appear in the wireless networks list Wireless network is not functioningSecondary service menu Service mode functionsService menu Service menu settings9Secondary service menu Open the secondary service menuSecondary service menu structure Scan Calibration CalibrateProduct resets Restore the factory-set defaultsNvram initialization Enww Solve fax problems Fax troubleshooting checklistEnww Document feeder door is open. Canceled fax Fax error messagesCommunication error Fax is busy. Canceled sendFax receive error Fax is busy. Redial pendingFax Send error Fax storage is full. Canceling the fax receiveFax storage is full. Canceling the fax send No fax answer. Canceled sendNo dial tone No fax answer. Redial pending No fax detectedEnww View and interpret fax error codes Troubleshoot fax codes and trace reportsCode number Fax logs and reports Fax trace reportPrint all fax reports Print individual fax reportsChange error correction and fax speed Set the fax error reportSet the fax-error-correction mode Communication error. message displays Solve problems sending faxesAn error message displays on the control panel Change the fax speedOpen the Error Correction menu Fax is busy. message displays No fax answer. message displaysDocument feeder paper jam Fax storage is full. message displaysFaxes can be received, but not sent Unable to use fax functions from the control panelUnable to use speed dials Unable to use group dialsEnww Fax has a dedicated phone line Solve problems receiving faxesFax does not respond An answering machine is connected to the productAnswer Mode setting is set to the Manual setting Telephone handset is connected to the productVoice mail is available on the fax line Product is connected to a DSL phone service Product uses a fax over IP or VoIP phone serviceNo fax detected. message displays Open the Advanced Setup menu Open the Fax Resolution menu Sender receives a busy signal Fax is received but does not printCannot send or receive a fax on a PBX line Solve general fax problems Faxes are sending slowlyFax quality is poor Fax cuts off or prints on two pagesEnww Product updates Enww Parts and diagrams Order parts by authorized service providers Whole unit replacementOrderable parts Related documentation and software 5Related documentation and softwareSupplies and accessories Service partsPart number Cartridge number Description How to use the parts lists and diagrams Scanner and document feeder main assemblies Scanner and document feeder main assemblies Description Part number Qty2External panels and covers Parts and diagrams CoversCovers 1,2 Internal assemblies Internal assemblies 18Internal assemblies 1 Internal assemblies 2 4Internal assemblies 29Internal assemblies 2 Internal components 3 5Internal assemblies 310Internal assemblies 3 Internal assemblies 4 A0311Internal assemblies 4 Internal assemblies 5 7Internal assemblies 512Internal assemblies 5 Internal assemblies simplex models 8Internal assemblies simplex models13Internal assemblies simplex models Internal assemblies duplex models 9Internal assemblies duplex models14Internal assemblies duplex models Description Part numberPCAs 10 PCAsPCAs Input devices Sheet paper feeder optional Tray16250-sheet paper feeder optional Tray Alphabetical parts list 17Alphabetical parts listInternal assemblies 4 Internal assemblies 5Paper pickup assembly RM1-8045-000 Numerical parts list 18Numerical parts listRL1-3053-000 Motor, developer DC M1 RM1-8051-000 Paper-pickup guide assembly duplex Enww Service and support Hewlett-Packard limited warranty statement HP Product Duration of Limited WarrantyHewlett-Packard limited warranty statement Enww Data stored on the print cartridge End User License Agreement Transfer Enww OpenSSL Customer support LJColorMFPM475Product specifications Table B-2Environmental specifications1 Physical specificationsTable B-1Physical specifications Product Height Depth Width WeightRegulatory information Environmental product stewardship program Power consumptionFCC regulations Protecting the environmentPlastics Toner consumptionPaper use HP LaserJet print suppliesSingle returns Non-U.S. returnsMultiple returns more than one cartridge Shipping Residents of Alaska and HawaiiPaper Material restrictionsChemical substances Material Safety Data Sheet Msds For more information Declaration of conformity Manufacturers Name Manufacturers AddressSupplementary Information Boise, Idaho USA OctoberFor regulatory topics only Enww Declaration of conformity wireless models Volatile memory Certificate of volatilityTypes of memory Non-volatile memoryVcci statement Japan Power cord instructions Safety statementsLaser safety Power cord statement JapanEMC statement Korea Laser statement for Finland Luokan 1 laserlaiteGS statement Germany Restriction on Hazardous Substances statement UkraineNew Zealand Telecom Statements Additional statements for telecom fax productsEU Statement for Telecom Operation Additional FCC statement for telecom products USTelephone Consumer Protection Act US Industry Canada CS-03 requirementsEnww Additional statements for wireless products Korean statement Enww Enww Symbols/Numerics 2ndary service menu IndexJams MsdsUSB Control-panel tests 117 Curled media Demo 116 Diagrams 121 288 Macintosh customer support Material Safety Data Sheet Enww Page CE863-90966* *CE863-90966

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