HP 400 manual Enww

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3.Carefully pry the right-rear corner of the upper cover away from the product until the cover fits over the chassis.

Lower the cover onto the product.

Figure 1-70Reinstall the upper-cover assembly (3 of 3)

54 Chapter 1 Removal and replacement

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 245 291 279289 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 Introduction Removal and replacement strategyRemoval and replacement strategy Electrostatic discharge Required toolsDescription Size Part Number Types of screwsCommon fasteners After performing service Service approachBefore performing service Post-service tests Test 1 print-quality testTest 2 copy-quality test Test 3 fax-quality test fax models onlyParts removal order 2Parts removal order 13Parts removal order 2 Removal and replacement Transfer roller Removal and replacement proceduresRollers and pads 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 Remove the rear cover and feed guide simplex product Rear cover and feed guide simplex productBefore proceeding, remove the following components 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 Remove the formatter PCA and fax PCA Formatter PCA and fax PCAReplacing the formatter PCA before the DC controller 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 calloutBefore you proceed, remove the following components DC controller PCAReplacing the DC controller PCA before the formatter PCA 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 mapGeneral topic Questions Troubleshooting processPretroubleshooting checklist Power-on checks LED diagnostics Troubleshooting toolsComponent diagnostics Component tests Control-panel testsTest the control-panel display Test the control-panel buttonsDiagrams Plug/jack locationsDC controller PCA Location of connectorsConnector Board Enww 1Major components Location of major componentsMajor 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 diagramPrint quality troubleshooting Print the ConfigurationService Internal print quality test pagesPrint-quality troubleshooting tools Clean the paper pathPrint the Service Print the cleaningSetup Menu Control panel menusCalibrate the product 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 Adjust Tray X1 Shift Use the Y Shift setting to center the image from top toSide on the first side of a two-sided Bottom onDisable Fax Off Supply Settings Black Cartridge Very Low Setting PromptProduct Security USB Flash DriveColor Cartridges Very Low Setting Stop Print BlackLow Threshold Cyan Enter percentage Magenta YellowStore Usage Data On Supply Not on SupplyCourier Font Regular Dark Color CopyService menu Install Off RestoreDefaults HP Smart Network Setup menu Function specific menus Copy menuSets the product so that it communicates only with Web ID CopySpecifies the paper size and type Fax menu Displays pending fax jobs, JobsOpens the Fax Setup menu Scan menu10.100X Supply Memory Error Interpret control panel messagesControl panel message types Control panel messagesScanner Error Error, Turn off then onFuser Error Black Cartridge Low Fan Error, Turn off then onError Turn off then on Canceled scan. Clear document Canceled send. Clear documentBlack in wrong position Black Very LowCommunication error Cyan Cartridge LowCyan in wrong position Cyan Very LowDevice error, press OK Device is busy. Try again laterDocument feeder door is open Document feeder jam. Clear and reloadEngine Communication Error Engine error. Press OK to continueDocument feeder mispick. Reload Door openFax is busy. Redial pending Fax is busy. Canceled sendFax receive error Fax Send error Fax storage is full. Canceling the fax receiveFax storage is full. Canceling the fax send Genuine HP supply installedInstall color cartridge Fit to Page on flatbed onlyInvalid driver Press OK Invalid entryJam in area, Open door and clear jam Jam in Tray 1, Clear jam and then press OKLoad Tray 1, Plain Size / Cleaning mode, OK to start Load tray X Press OK for available mediaMagenta Cartridge Low Magenta in wrong positionManual Duplex Load Tray 1, Press OK Manual feed Size TYPE, Press OK to use available mediaMemory is low. Press OK Memory is low. Try again laterNo fax answer. Canceled send Memory low Only 1 copy made. Press OK to continueMisprint, Press OK No dial toneNo fax answer. Redial pending No fax detectedPrint failure, press OK. If error repeats, turn off then on Scanner error #, Turn off then onRemove shipping lock from color cartridge Remove shipping locks from cartridgesScanning error Cannot connect Settings clearedScanner reserved for PC scan Unexpected size in tray # Load size Press OKUsed color installed, to accept press OK Unsupported color Press OK to continueUsed color in use Used supplies in useYellow Very Low Event-log messagesYellow in wrong position Print the event log Event log messages7Event-log messages Event code DescriptionTroubleshooting tools 177 Event-log-only messages Description SolutionEvent-log messages Event code Description Solution 8Event-log-only messagesJam locations Clear jamsCommon causes of jams 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 Product does not pick up paper Solve paper-handling problemsProduct picks up multiple sheets of paper Print quality examples Solve image-quality problemsProblem Cause AaBbCc Problem Cause Solution Severity of the defect Color image defects Continue BlackAaBbCc Clean the product Clean the pickup and separation rollersClean the paper path 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 product connectivity problems Solve direct-connect problemsSolve network problems Computer is using the incorrect IP address for the productComputer is unable to communicate with the product Solve wireless network problemsComputer or workstation might be set up incorrectly Wireless connectivity checklist Cannot connect more computers to the wireless product Network does not appear in the wireless networks list Wireless network is not functioningService mode functions Service menuSecondary service menu Service menu settingsOpen the secondary service menu Secondary service menu structure9Secondary service menu Scan Calibration CalibrateNvram initialization Product resetsRestore the factory-set defaults Enww Solve fax problems Fax troubleshooting checklistEnww Fax error messages Communication errorDocument feeder door is open. Canceled fax Fax is busy. Canceled sendFax receive error Fax is busy. Redial pendingFax Send error Fax storage is full. Canceling the fax receiveNo dial tone Fax storage is full. Canceling the fax sendNo fax answer. Canceled send No fax answer. Redial pending No fax detectedEnww Code number View and interpret fax error codesTroubleshoot fax codes and trace reports Fax logs and reports Fax trace reportPrint all fax reports Print individual fax reportsSet the fax-error-correction mode Change error correction and fax speedSet the fax error report Solve problems sending faxes An error message displays on the control panelCommunication error. message displays 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 Solve problems receiving faxes Fax does not respondFax has a dedicated phone line An answering machine is connected to the productVoice mail is available on the fax line Answer Mode setting is set to the Manual settingTelephone handset is connected to the product 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 Cannot send or receive a fax on a PBX line Sender receives a busy signalFax is received but does not print 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 Orderable parts Order parts by authorized service providersWhole unit replacement Related documentation and software 5Related documentation and softwarePart number Cartridge number Description Supplies and accessoriesService parts 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 Physical specifications Table B-1Physical specificationsTable B-2Environmental specifications1 Product Height Depth Width WeightRegulatory information Power consumption FCC regulationsEnvironmental product stewardship program Protecting the environmentToner consumption Paper usePlastics HP LaserJet print suppliesNon-U.S. returns Multiple returns more than one cartridgeSingle returns Shipping Residents of Alaska and HawaiiPaper Material restrictionsChemical substances Material Safety Data Sheet Msds For more information Supplementary Information Declaration of conformityManufacturers Name Manufacturers Address For regulatory topics only Boise, Idaho USAOctober Enww Declaration of conformity wireless models Certificate of volatility Types of memoryVolatile memory Non-volatile memorySafety statements Laser safetyVcci statement Japan Power cord instructions Power cord statement JapanEMC statement Korea Laser statement for Finland Luokan 1 laserlaiteGS statement Germany Restriction on Hazardous Substances statement UkraineAdditional statements for telecom fax products EU Statement for Telecom OperationNew Zealand Telecom Statements 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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