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HP 5100LE manual Dc controller I/O 3

Models: 5100LE

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Figure 157. Dc controller I/O (3 of 4)

254 Troubleshooting

Q1860-90918

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HP 5100LE manual Dc controller I/O 3

Contents

Hp LaserJet Service5100tn 5100dtn 5100Le Page Service Copyright Hewlett -Packard Company Contents Printer operation Q1860-90918Functional information Removing and replacing parts Troubleshooting Q1860-90918 Figures Tray 1 inner cover removal 2 of 2, front of printer Sheet feeder feed roller removal 178 275 Tables 251 Printer description OverviewPrinter features Printer featuresPrinter information HP LaserJet 5100 printerHP LaserJet 5100tn printer HP LaserJet 5100dtn printerQ1860A Q1861A Q1862A Q1863A Identification Model and serial numbersEnvironmental and power requirements Site requirementsSpace requirements 139.8 cm 55 62.5 cm 24.6 Printer weight without toner cartridge Environmental specifications Operating Storage Environmental requirementsPaper specifications Paper specifications, duplexer Dimensions Weight Supported types of paperGuidelines for using paper Media issues Symptom Problem with paper SolutionPaper weight equivalence table Labels TransparenciesVellum EnvelopesEnvelopes that have double side seams Envelopes that have adhesive strips or flapsEnvelope margins Envelope storageCard stock construction Card stock and heavy paperCard stock guidelines Safety information Laser safety statementCanadian DOC regulations FCC regulationsMaterial Safety Data Sheet Laser statement for Finland Luokan 1 laserlaiteEnvironmental product stewardship Protecting the environmentThis HP LaserJet printer design reduces Printer design eliminatesService approach Service approach WarrantyLimited warranty for the print cartridge Regulatory informationService and support Worldwide service and support offices EuropeAsia-Pacific countries/regions Service approach Q1860-90918 Printer operation Using the control panel Control panel layoutControl panel lights Interpreting control panel lightsControl panel keys Control panel keys Key FunctionSettings and defaults Setting the display languageSettings and defaults Setting or default ExplanationControl panel menus To change a control panel settingTo print a control panel menu map Private/stored jobs menu Private/stored jobs menuJobname COPIES=XInformation menu Information menu ExplanationPaper-handling menu Item/default Values Explanation Paper-handling menuTYPE=NORMAL Normallow High Vellum ROUGH=HIGH VELLUM=VELLUMPrint-quality menu Print-quality menu Values ExplanationPrinting menu Printing menu Values ExplanationPCL Symbol ERRORS=OFFPCL Font Internal SOURCE=INTERNAL SoftConfiguration menu Configuration menu Values ExplanationJAM RECOVERY= Auto Maintenance OFFTIMEOUT=OFF Hour Clearable JOBMenu O menu Values ExplanationEIO menu HP LaserJet 5100tn and 5100dtn printers EIO menu for networked printers Values ExplanationEIO menu for networked printers Values ExplanationResets menu Resets menu ExplanationService menu Service modeTo use service mode Count ValueMaintenance page count, interval, and reset Service ModeService Menu Serial numberDiagnostics Cold reset paper sizeClear event log Testing the printer Resetting the printerCold reset Clearing NvramSystem configuration Printer I/O configurationMS-DOS system configuration Parallel MS-DOS commandsPrinter maintenance Cleaning the printer and accessories Inside, generalCleaning spilled toner Using the printer cleaningPreventive maintenance Reset maintenance countExpected life of components Expected life of components Part name Part numberFunctional information Functional information Q1860-90918 Printer subsystems Paper-feed subsystemPower supply system Ac/dc power distributionOvercurrent overvoltage protection High-voltage power distribution High-voltage power supply circuitToner-cartridge detection Dc controller systemDc controller PCA Q1860-90918 Functional informationSolenoids, sensors, clutches, and switches Laser and scanner drivePaper-motion monitoring and control Engine testMotors Main-motor controlResolution Enhancement technology PowerSaveFormatter system EconoMode Input/outputRead-only memory and random-access memory RAM Nonvolatile random-access memoryPrinter memory Memory Enhancement technologyProtect Control panelImage-formation system Image-formation systemToner cartridge Cleaning the drum Cleaning the drumPhotosensitive drum Conditioning the drum Primary charging rollerWriting the image Writing the imageDeveloping the image Developing the imageTransferring the image Transferring the imageImage fusing/variable fusing temperature Variable fusing temperature Fusing temperature controlPaper feed system Paper pathClutches and sensors Printing from TrayTray 2 Paper path Paper skew correction Printing from the optional 500-sheet and 250-sheet Trays Sheet paper feeder500-sheet paper feeder Paper jam Duplexer Reversing/refeed systemReversing system DuplexerPaper jam in the duplexer Basic sequence of operation Basic sequence of operation Period Timing Purpose RemarkFunctional information Q1860-90918 Q1860-90918 Functional information Functional information Q1860-90918 Removing and replacing parts Removing and replacing parts Q1860-90918 User-installable accessories Memory upgradeIf an optional duplexer is installed Checking memory installation Installing EIO cards or mass-storage devices Paper-handling accessoriesBefore you begin Replacing printer partsRemoving loose toner Required toolsParts removal order Rear door and rear output bin CoversRear door and rear output bin removal 2 Fuser Fuser removal rear view of printerTop cover Top cover removal 1Top cover removal 2 Control panel overlay and control panel Control panel overlay removalControl panel removal Toner cartridge door assembly Front cover and Tray Front cover removalFront cover pins Front cover pins removalFace-down cover Face-down cover removal 1Left and right side covers Side covers removalTray 1 inner cover Tray 1 inner cover removal 1 of 2, inner cover flagTray 1 inner cover removal 2 of 2, front of printer Right and left corner covers Corner covers removalInternal assemblies Internal assemblies ExplanationTransfer-roller assembly Transfer-roller assembly removal 1Transfer-roller assembly removal 2 To reinstall Reinstalling the transfer rollerPaper-handling PCA Paper-handling PCA removalTop margin adjustment Adjusting the top marginLocation of VR401 on the paper-handling PCA Main gear assembly Main gear assembly removal 1 of 2, left sideMain gear assembly removal 2 Pickup gear assembly Pickup gear assembly removal left side of printerTray 1 pickup solenoid Tray 1 pickup solenoid removalFan Fan removal right side of printerFormatter assembly Formatter assembly removalTray 1 roller Tray 1 roller removalTray 1 separation pad Tray 1 separation pad removal 2Tray 2 pickup roller Tray 2 pickup roller removal bottom of the printerTray 2 separation pad Tray 2 separation pad removal 1Paper-feed roller assembly Page Dc controller and power supply Dc controller assembly removal 1 of 3, rear view of printerDc controller assembly removal 2 of 3, long screws Paper-feed belt assembly Paper-feed belt assembly removal 1Paper-feed belt assembly removal 2 Tray 1 shaft Tray 1 shaft removal 1 of 2, right side view of printerTray 1 shaft removal 2 Tray 2 shaft Tray 2 shaft removal left side view of printerReinstallation of Tray 2 shaft Tray 1 lift plate Tray 1 lift plate removalPaper guide Paper guide removalTop-of-page sensor Top-of-page sensor removal bottom of printerFace-down bin-full sensor lever Face-down bin-full sensor lever removalAccessory interface connector Accessory interface connector removal left side of printerRegistration assembly Registration assembly removal 1Registration assembly removal 2 Upper delivery assembly Upper delivery assembly removalDelivery roller Delivery roller removal 1Delivery roller removal 2 Laser/scanner assembly Laser/scanner assembly removal top, inside view of printerMain motor Main motor removal rear viewToner cartridge guides Toner cartridge guide removal shown from right sidePower inlet assembly Power inlet assembly removalOptional 250-sheet feeder Separation padPickup roller Sensing flag Optional 250-sheet feeder sensing flag removal 1Control PCA Optional 250-sheet feeder control PCA removal 1Optional 250-sheet feeder control PCA removal 3 Paper-size spring assembly Optional 500-sheet feeder Covers and base frameSheet feeder removal 2 of 2, top view with covers removed Tray indicator assembly Tray indicator assembly removalLeft front corner cover installation Installing the left front corner coverSheet feeder feed roller Sheet feeder feed roller removalSheet feeder pickup roller Sheet feeder pickup roller removal 1Sheet feeder PCAs Sheet feeder power connector Power connector removalSheet feeder separation roller Separation roller removalTroubleshooting Troubleshooting process Major steps for troubleshootingTroubleshooting process flow See Printer Messages on 193 to Understand Correct ProblemSee Image quality on 207 Compare pages To samples Troubleshooting the printing system Preliminary operating checksPower on Power on defect or blank display Problem ActionNo ac power Cause Action No dc power Cause ActionEngine test button location DisplayPrinting an engine test Event log Print the event log View the event log at the control panelInterpret the event log Printer messages Printer messages Message Explanation or recommended actionDo not Power OFF Do not Power OFF Flash DeviceInstall Toner InitializingMemory Settings MaintenanceResend Upgrade ChangedPrinter Error Unable toStore JOB USE TypeBuffer Overflow Parallel I/OTransmission UnexpectedFuser Error Printer Error Cycle Power toDevice Failure Cycle PowerCheck Cables 8x.yyyy General paper-path troubleshooting ProblemActionPaper-path test Press Item until Print Paper Path Test appearsInformation pages Menu mapConfiguration Configuration page see for category explanationsVerify the installed options Configuration page categoriesCheck the toner cartridge Image qualityImage quality checks Action EconoMode Image defects Black lines in paper path direction Possible cause Action Correctly Defective toner cartridgeBlack Possible cause ActionBlank CartridgeHP LaserJet Printer Family Paper Specification Guide Character voids and dropoutsCreases Possible cause Action Curl Possible cause ActionDark print Possible causeAction Dirt on back Possible cause ActionDistorted image Possible cause Action Dots in the paper-path directionFaded or light print Possible cause Action Gray background Possible cause Action ImproperlyLoose toner or toner smear Repetitive defects Skew Possible cause ActionToner specks see also Dots on Possible cause Action Smudged lines either direction Possible cause ActionWhite lines in the paper-path direction Damage to the print drum Repetitive defect ruler Repetitive defect rulerHalf self-test functional check Image system troubleshootingDrum rotation functional check Interface troubleshooting EIO troubleshootingJetdirect configuration Communications checkJetdirect configuration Reference diagrams Locations of componentsPaper path clutches, solenoids, and motors Sheet paper feeder Sheet paper feeder Sheet paper feeder Sheet paper feeder Duplexer Troubleshooting Q1860-90918 Q1860-90918 Troubleshooting Sensors and signals Paper path and components see , , and for accessoriesSensors, switches, clutches, and solenoids Name Printer sensors Duplexer sensors Printer switches Sheet feeder switches Motors, fans, and fuser heaters see on FM1 Connectors main unit Connectors duplexer and 250-sheet paper feeder Connectors 500-sheet paper feeder PCAs PCA duplexer PCAs Name Function PCAClutches and solenoids Clutches and solenoids duplexer Symbol Name of symbol Code OFF A4R Dc controller inputs and outputs Dc controller I/O 1Dc controller I/O 2 Dc controller I/O 3 Dc controller I/O 4 Troubleshooting Q1860-90918 Parts and diagrams Parts and diagrams Q1860-90918 Ordering parts and supplies, and getting support Related documentation and softwareSupport Ordering partsAccessories and supplies Screws used in the printer Description Part number Common hardware and replacement cablesReplaceable cables Description Part Number Diagrams and parts lists Assembly locations 1Registration roller assembly Fuser Tray Tray 2 pickup roller Parts and diagrams Q1860-90918 Q1860-90918 Parts and diagrams Internal components 1 Q1860-90918 Parts and diagrams Internal components 2 Q1860-90918 Parts and diagrams See See Parts and diagrams Q1860-90918 Q1860-90918 Parts and diagrams Parts and diagrams Q1860-90918 Paper feed roller assembly Item number Part number Quantity DescriptionRG5-4916-000CN Registration roller assembly Q1860-90918 Parts and diagrams Parts and diagrams Q1860-90918 Q1860-90918 Parts and diagrams Parts and diagrams Q1860-90918 See figure Fuser Item number Part number Quantity Description Sheet feeder Item number Part number Quantity Description Parts and diagrams Q1860-90918 Sheet feeder 1 Item number Part number Quantity Description Sheet feeder 2 Sheet feeder 2 Item number Part number Quantity Description Parts and diagrams Q1860-90918 Duplexer Item number Part number Quantity Description Alphabetical parts list Alphabetical parts list Description Part numberAlphabetical parts list Description Part number Cable, ribbon, paper-handling PCA to dc controller Alphabetical parts list Description Part number Numerical parts list Numerical parts list Part number DescriptionNumerical parts list Part number Description Cable, ribbon, paper-handling PCA to dc controller Numerical parts list Part number Description Parts and diagrams Q1860-90918 Index Index See also removing EIO IPX/SPX MS-DOS Q1860-90918 Index Q1860-90918 Index TCP/IP See also testing Index Q1860-90918 Page Copyright 2002 Hewlett-Packard Company