HP 400 manual Solve wireless network problems, Computer is unable to communicate with the product

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3.If you installed the product using a Microsoft standard TCP/IP port, use the hostname instead of the IP address.

4.If the IP address is correct, delete the product and then add it again.

The computer is unable to communicate with the product

1.Test network communication by pinging the network.

a.Open a command-line prompt on your computer. For Windows, click Start, click Run, and then type cmd.

b.Type ping followed by the IP address for your product.

c.If the window displays round-trip times, the network is working.

2.If the ping command failed, verify that the network hubs are on, and then verify that the network settings, the product, and the computer are all configured for the same network.

The product is using incorrect link and duplex settings for the network

Hewlett-Packard recommends leaving this setting in automatic mode (the default setting). If you change these settings, you must also change them for your network.

New software programs might be causing compatibility problems

Verify that any new software programs are correctly installed and that they use the correct printer driver.

The computer or workstation might be set up incorrectly

1.Check the network drivers, printer drivers, and the network redirection.

2.Verify that the operating system is configured correctly.

The product is disabled, or other network settings are incorrect

1.Review the configuration page to check the status of the network protocol. Enable it if necessary.

2.Change the network settings if necessary.

Solve wireless network problems

●Wireless connectivity checklist

●The control panel displays the message: The wireless feature on this product has been turned off

●The product does not print after the wireless configuration completes

●The product does not print, and the computer has a third-party firewall installed

●The wireless connection does not work after moving the wireless router or product

ENWW	Solve product connectivity problems 207

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Contents M375 M475 Page Page Trademark Credits Copyright and LicenseConventions 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 Required tools Electrostatic dischargeDescription Size Part Number Types of screwsCommon fasteners After performing service Service approachBefore performing service Test 1 print-quality test Post-service testsTest 2 copy-quality test Test 3 fax-quality test fax models only2Parts removal order 1 Parts removal order3Parts 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 6Remove the pickup roller 1 Separation roller Trays 2 orEnww 9Reinstall the separation roller Reinstall 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 Print-cartridge drawer Main assembliesEnww Dimm cover Right cover 22Remove the right cover 3 Removal and replacement 24Remove the document feeder input tray 2 Document feeder input tray25Remove the scanner assembly 1 Remove four screws callout Scanner assemblyEnww Right-front cover and power button Enww Rear-upper cover duplex product 30Remove the rear-upper cover 2 Removal and replacement32Remove the feed assembly 2 Paper-feed guide assemblyRear-door stopper and link caps simplex product 36Remove the rear door simplex product 2 Rear door simplex productEnww 40Remove the rear door duplex product 2 Rear door duplex productEnww 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 Remove the rear-door rib assembly duplex product Rear-door rib assembly duplex productEnww 58Replace the link guide simplex products Link guideControl panel and right-arm mount 63Reinstall the control panel and right-arm mount 1 Reinstall the control panel and right-arm mountEnww Remove the upper-cover assembly Upper-cover assemblyEnww 69Reinstall the upper-cover assembly 2 Reinstall the upper-cover assemblyEnww Remove the left cover Left cover73Remove the left cover 3 Removal and replacement 75Reinstall the left cover 2 Reinstall the left coverRemove the front-door assembly Front-door assembly78Remove the front-door assembly 3 Enww Enww Push the black-plastic arm into the product Reinstall the front-door assembly 85Remove the front-door assembly 10Enww 89Remove the ITB 2 Intermediate transfer belt ITB91Remove the ITB 4 Removal and replacement 93Remove the ITB 6 Reinstall the ITB Diagnostics95Remove motor M1 and motor M2 1 Drum motor M1 and developer motor M296Remove 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 108Remove the wirelss PCA 1 Remove the wireless PCA callout Wireless PCABefore you proceed, remove the following components DC controller PCAReplacing the DC controller PCA before the formatter PCA 110Remove the DC controller PCA 1 Remove the DC controller PCAEnww Remove the fuser-motor assembly Fuser-motor assemblyEnww Enww Reinstall the fuser-motor assembly 117Remove the fuser-motor assembly 6Remove the high-voltage power-supply PCA High-voltage power-supply PCAEnww Enww Remove the color-misregistration sensor assembly Color-misregistration sensor assembly126Remove the color-misregistration sensor assembly PCA 3 Reinstall the color-misregistration sensor assembly 127Remove the color-misregistration sensor assembly PCA 4Enww Fan FM1 131Remove the fan FM1 2 Remove the USB PCA USB PCA fax/memory-card modelsRemove the duplex-reverse drive assembly Duplex-reverse drive assemblyRelease the wire harnesses from the retainer callout 136Remove the duplex-reverse drive assembly 4 Fuser 137Remove the fuser 1 Remove the fuserEnww 141Remove the fuser 5 142Remove the fuser 6 144Remove the fuser 8 145Reinstall the fuser Removal and replacement Reinstall the fuserRemove the paper-delivery assembly Paper-delivery assemblyEnww 149Remove the paper-delivery assembly 4 Tray cassettes and optional Tray 3 assembly Solve problems Solve problems checklist Print a menu map Menu mapGeneral topic Questions Troubleshooting processPretroubleshooting checklist Power-on checks LED diagnostics Troubleshooting toolsComponent diagnostics Control-panel tests Component testsTest the control-panel display Test the control-panel buttonsPlug/jack locations DiagramsDC controller PCA Location of connectorsConnector Board Enww 1Major components Location of major componentsMajor components Enww 2Solenoid, sensors, and motors Motors and fansItem Description RollersPCAs PCAs5Optional 250-sheet cassette Optional 250-sheet cassetteGeneral timing diagram General circuit diagram 129 Asic diagram HVT / Toneremp Driver PCA1-1 Environment Sensor FSR diagram DiagramPrint the Configuration Print quality troubleshootingService Internal print quality test pagesClean the paper path Print-quality troubleshooting toolsPrint the Service Print the cleaningControl panel menus Setup MenuCalibrate the product Calibrate the product from the control panelMenu item Description HP Web Services menuReports menu Menu item Sub-menu item Description Quick Forms menuMenu item Sub-menu item Description Fax Setup menuMenu item Sub-menu item Private Receive Off System Setup menu Use the Y Shift setting to center the image from top to Adjust Tray X1 ShiftSide on the first side of a two-sided Bottom onOff Supply Settings Black Cartridge Very Low Setting Prompt Disable FaxProduct Security USB Flash DrivePrint Black Color Cartridges Very Low Setting StopLow Threshold Cyan Enter percentage Magenta YellowNot on Supply Store Usage Data On SupplyCourier Font Regular Dark Color CopyService menu Install Off RestoreDefaults HP Smart Network Setup menu Copy menu Function specific menusSets the product so that it communicates only with Web ID CopySpecifies the paper size and type Fax menu Jobs Displays pending fax jobs,Scan menu Opens the Fax Setup menuInterpret control panel messages 10.100X Supply Memory ErrorControl 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 send. Clear document Canceled scan. Clear documentBlack in wrong position Black Very LowCyan Cartridge Low Communication errorCyan in wrong position Cyan Very LowDevice is busy. Try again later Device error, press OKDocument feeder door is open Document feeder jam. Clear and reloadEngine error. Press OK to continue Engine Communication ErrorDocument feeder mispick. Reload Door openFax is busy. Redial pending Fax is busy. Canceled sendFax receive error Fax storage is full. Canceling the fax receive Fax Send errorGenuine HP supply installed Fax storage is full. Canceling the fax sendInstall color cartridge Fit to Page on flatbed onlyInvalid entry Invalid driver Press OKJam in area, Open door and clear jam Jam in Tray 1, Clear jam and then press OKLoad tray X Press OK for available media Load Tray 1, Plain Size / Cleaning mode, OK to startMagenta Cartridge Low Magenta in wrong positionManual feed Size TYPE, Press OK to use available media Manual Duplex Load Tray 1, Press OKMemory is low. Press OK Memory is low. Try again laterMemory low Only 1 copy made. Press OK to continue No fax answer. Canceled sendMisprint, Press OK No dial toneNo fax detected No fax answer. Redial pendingScanner error #, Turn off then on Print failure, press OK. If error repeats, turn off then onRemove shipping lock from color cartridge Remove shipping locks from cartridgesSettings cleared Scanning error Cannot connectScanner reserved for PC scan Unexpected size in tray # Load size Press OKUnsupported color Press OK to continue Used color installed, to accept press OKUsed color in use Used supplies in useYellow Very Low Event-log messagesYellow in wrong position Event log messages Print the event log7Event-log messages Event code DescriptionTroubleshooting tools 177 Event-log-only messages Description SolutionEvent-log messages 8Event-log-only messages Event code Description SolutionJam 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 Continue Black Color image defectsAaBbCc Clean the pickup and separation rollers Clean the productClean 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 Factors affecting print performance Solve performance problemsPrint speeds Product does not print Product does not print or it prints slowlyProduct prints slowly Solve direct-connect problems Solve product connectivity 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 Wireless network is not functioning Network does not appear in the wireless networks listService menu Service mode functionsSecondary service menu Service menu settingsSecondary service menu structure Open the secondary service menu9Secondary service menu Scan Calibration CalibrateNvram initialization Product resetsRestore the factory-set defaults Enww Fax troubleshooting checklist Solve fax problemsEnww Communication error Fax error messagesDocument feeder door is open. Canceled fax Fax is busy. Canceled sendFax is busy. Redial pending Fax receive errorFax storage is full. Canceling the fax receive Fax Send errorNo dial tone Fax storage is full. Canceling the fax sendNo fax answer. Canceled send No fax detected No fax answer. Redial pendingEnww Code number View and interpret fax error codesTroubleshoot fax codes and trace reports Fax trace report Fax logs and reportsPrint individual fax reports Print all fax reportsSet the fax-error-correction mode Change error correction and fax speedSet the fax error report An error message displays on the control panel Solve problems sending faxesCommunication error. message displays Change the fax speedOpen the Error Correction menu No fax answer. message displays Fax is busy. message displaysFax storage is full. message displays Document feeder paper jamUnable to use fax functions from the control panel Faxes can be received, but not sentUnable to use group dials Unable to use speed dialsEnww Fax does not respond Solve problems receiving faxesFax 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 uses a fax over IP or VoIP phone service Product is connected to a DSL 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 Faxes are sending slowly Solve general fax problemsFax cuts off or prints on two pages Fax quality is poorEnww Product updates Enww Parts and diagrams Orderable parts Order parts by authorized service providersWhole unit replacement 5Related documentation and software Related 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 Description Part number Qty Scanner and document feeder main assembliesCovers 2External panels and covers Parts and diagramsCovers 1,2 Internal assemblies 1 Internal assemblies8Internal assemblies 1 4Internal assemblies 2 Internal assemblies 29Internal assemblies 2 5Internal assemblies 3 Internal components 310Internal assemblies 3 A03 Internal assemblies 411Internal assemblies 4 7Internal assemblies 5 Internal assemblies 512Internal assemblies 5 8Internal assemblies simplex models Internal assemblies simplex models13Internal assemblies simplex models 9Internal assemblies duplex models Internal assemblies duplex modelsDescription Part number 14Internal assemblies duplex models10 PCAs PCAsPCAs Sheet paper feeder optional Tray Input devices16250-sheet paper feeder optional Tray 17Alphabetical parts list Alphabetical parts listInternal assemblies 5 Internal assemblies 4Paper pickup assembly RM1-8045-000 18Numerical parts list Numerical parts listRL1-3053-000 Motor, developer DC M1 RM1-8051-000 Paper-pickup guide assembly duplex Enww Service and support HP Product Duration of Limited Warranty Hewlett-Packard limited warranty statementHewlett-Packard limited warranty statement Enww Data stored on the print cartridge End User License Agreement Transfer Enww OpenSSL LJColorMFPM475 Customer supportProduct specifications Table B-1Physical specifications Physical specificationsTable B-2Environmental specifications1 Product Height Depth Width WeightRegulatory information FCC regulations Power consumptionEnvironmental product stewardship program Protecting the environmentPaper use Toner consumptionPlastics HP LaserJet print suppliesMultiple returns more than one cartridge Non-U.S. returnsSingle returns Shipping Residents of Alaska and HawaiiMaterial restrictions PaperChemical 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 Types of memory Certificate of volatilityVolatile memory Non-volatile memoryLaser safety Safety statementsVcci statement Japan Power cord instructions Power cord statement JapanLuokan 1 laserlaite EMC statement Korea Laser statement for FinlandRestriction on Hazardous Substances statement Ukraine GS statement GermanyEU Statement for Telecom Operation Additional statements for telecom fax productsNew Zealand Telecom Statements Additional FCC statement for telecom products USIndustry Canada CS-03 requirements Telephone Consumer Protection Act USEnww Additional statements for wireless products Korean statement Enww Enww Index Symbols/Numerics 2ndary service menuMsds JamsUSB 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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