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HP 3150 manual Internal components 1

Models: 3150

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Figure 92. Internal components (1 of 3)

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HP 3150 manual Internal components 1

Contents

Page Page HP LaserJet 3100/3150 Product Warranty Copyright InformationContents Functional overview Troubleshooting Parts and diagrams Contents-7 FiguresFuser pressure plate removal 114 Page Page Contents-11 TablesPage Chapter contents Product InformationIntroduction Product features Product features Feature DescriptionProduct specifications Physical specifications Category SpecificationPerformance specifications Category Specification Power specifications Category Specification Operating acoustical emissions per ISO 9296 specificationsSkew specifications Model and serial numbers Model number C3948AModel number C4256A Product overview Document scanner pathPrinter path 1 Printer path 2 Rear view Safety Laser safety statementRegulatory information TransportationLaser statement for Finland Luokan 1 laserlaite Klass 1 Laser ApparatVaroitus VarningFCC regulations FCC part 68 requirementsRJ11C Telephone consumer protection act U.S IC CS-03 requirements Conforms to the following Product Specifications Declaration of conformityCanadian DOC regulations Environmental product stewardship programProtecting the environment This HP LaserJet printer design eliminates Ozone productionToner consumption Paper useHP LaserJet Printing Supplies Paper Spare parts and consumables availability Material safety data sheet Installation and operation Operating environment Environmental requirements Category RequirementMedia requirements Input for document feeder tray for document scanner pathOutput capacities Toner cartridge information Storage conditionsStoring opened toner cartridges Toner RecyclingControl panel Control panel layoutControl panel messages Control panel messages Message CauseClear Document From ScannerControl panel messages Message Cause Solution Communication ErrorConfiguration Config. Tied AddrDecoding Error # Encoding ErrorLost Power failure Fax Memory ErrorFax Document was #numberModem Error # Memory Full SendUnscanned Pages Memory is FullWhen nothing was in memory No Memory forReport Erase/PrintPassword must be Paper Bin is EmptyPlease Add Paper DigitsPolling-In Error Printer Comm ErrorOr No Cartridge Cartridge is not installed properly Printer Cover OpenPrinter Laser Error Call for Service Problem has occurred with the print EnginePrinter Motor Error Call for Service EngineError Redial FailedRemote Fax was Busy Scan ReferenceSystem Error Speed Dial numberIs not Assigned Memory Had been received to memoryMenu tree To print a menu treeMenu tree for the HP LaserJet 3100 product Menu tree for the HP LaserJet 3150 product Maintenance Life expectancies of consumables Life expectancies of consumablesCleaning and maintaining the equipment Cleaning the document scanner path Page Cleaning the print path Page Page Using a cleaning To use a cleaningPage Functional overview Basic configuration Basic functionsPrinter unit functional block diagram Printer functionsECU/power system ECU loadsPrint engine control system Power system on ECU AC power distributionDC power distribution DC power distributionHigh-voltage power distribution High-voltage power supply circuitFormatter system Central processing unitMemory Read-only memory ROMDraft mode Random-access memory RAMParallel interface Control panelImage formation system Toner cartridgePrimary charging Scanning exposureDeveloping Drum cleaning TransferringSeparating Fixing stagePrinter feed system 9 10 11 Paper jam detection Solenoid, photosensors, and switches Solenoid, photosensors, and switchesDocument scanner system Simplified document path Basic sequence of operation formatter-to-printer Timing Period Purpose RemarksGeneral timing diagram Removal and replacement Removal and replacement strategy Before performing service After completing serviceRequired tools Covers Back coverTo reinstall Back cover removal 2Right side cover Right side cover removalLeft side cover Left side cover removalLeft front cover Left front cover removalTop cover Top cover removalRFI shield RFI shield removalDocument scanner assemblies Printer doorPrinter door removal 2 Printer door removal 3 Document release door Document release door removal 1Document release door removal 2 Upper guide assembly Upper guide assembly removal 1Upper guide assembly removal 2 Contact image sensor Contact image sensor removal 1Contact image sensor removal 2 Document scanner assembly/motor Document scanner assembly/motor removal 1Document scanner assembly/motor removal 2 Document scanner pickup roller Document scanner pickup roller removalInternal assemblies LIU boardFormatter board Formatter board removal 1Formatter board removal 2 Metal side plate Metal side plate removalExit roller Exit roller removalDelivery assembly Delivery assembly removal 1Delivery assembly removal 2 Fuser pressure plate Fuser pressure plate removalFuser pressure plate replacement Front casing Front casing removalHeating element Heating element removal 1Heating element removal 2 Pressure roller Pressure roller guide removalFace-up/face-down lever Able to feel the spring’s release mechanismFuser exit roller assembly Fuser exit roller assembly removalPaper exit sensor flag replacement Paper exit sensor flagLaser/scanner assembly Laser/scanner assembly removalSolenoid Solenoid removal 1Solenoid removal 2 Pickup roller assembly Pickup roller assembly removal 1Pickup roller assembly removal 2 Paper pickup roller assembly replacement Paper feed frame Paper feed frame removal 1Paper feed frame removal 2 Paper feed frame removal 3 Transfer roller guide and transfer roller Transfer roller guide and transfer roller removalKick plate Kick plate removalKick plate spring replacement Separation pad Separation pad removalSubpads Subpad removalFeed assembly Feed assembly removal 1Feed assembly removal 2 Feed assembly removal 3 Bottom assemblies Cable guideMain Motor Motor removalECU ECU removal 2 ECU removal 3 ECU removal 4 Feet Feet removalTroubleshooting Basic troubleshooting Verification steps Possible problems SolutionsIs Power On successful? Is the product ready? Do engine tests and internalReports print? Is the copy function operational? Does the product send a fax?Is the software installed correctly? Does the product receive a fax?Does the product print from Computer?Error messages Decoding ErrorMessage Cause #number Image processing chipNo Modem Installed If neither of these solutions works, replace the formatter Call for Service Damaged Error LaserJet 3100/3150 productServicing Image formation troubleshooting Check the toner cartridgeTo redistribute toner in the cartridge Solving image quality problems Problem CauseParts of the page around the edges aren’t printing Images will notOr print is not faded, but vertical white stripes appear on Aligned black Installed Streaks or smears Appear HorizontallyLight character Shadows or Repetitive marks Appear onCharacter voids Solid black PaperCompletely black Characters areOnly partially Printed also Referred to as DropoutsAlways printing Installed Blank pages arePrint is misaligned on the page skewed pages Scanned text is not ClearScanned images Print at a reduced Image SizeSolving paper feed problems Pages are comingLong pages stop Feeding throughCrooked Adjusted properly Scanned items arePaper guides are not adjusted properly Tray fall forward out Solving general software problems Not install a driver Windows will not promptSoftware did not install Windows 95, 98, or NT4.0 Not connected to your computerIs securely connected Your HP LaserJet All in One onNetwork Find an All in One atFunctional checks Simple hardware testTo perform the simple hardware test Engine test Engine test button locationTo print an engine test To print a configuration report Internal reportsTo run a self-test and print a self-test report To print a demonstrationPrinting all reports at once To print all reports at onceHalf-self test functional check Drum rotation functional check Heating element check High-voltage power supply check Checking the toner cartridge connection pointsChecking the high-voltage connector assembly Paper curlPaper path check To override SW101Troubleshooting tools Paper path and componentsDocument path and components Document path and componentsRepetitive image defect ruler Repetitive image defect rulerPressing VOLUME+CONTRAST Document scanner recalibrationPress once to display Service and press ENTER/MENU Main wiring General circuit diagram 1General circuit diagram 2 Service menus Control panel service menuTests in control panel service mode Control panel service menuExtended service menu Extended service menu tree Control panel canSelf-test in extended service mode Fax memory test #1 Program test #1Other tests in extended service mode Extended service mode tests Test ExplanationReports in extended service mode Extended service mode reports Report ExplanationClear memory in extended service mode Softswitches To change the country code softswitchCountry/region code softswitch sequences Press Stop/ClearFirmware and software downloads Hardware, software, and firmware compatibility Hardware, software, and firmware compatibilityFax trace report Translating the fax trace reportFax phase sequence Sequence Calling station Called stationCommands Comments Appropriate responses Appropriate responsesAbbreviation Function Signal format X= any # Fax abbreviationsMSG Example of a successfully sent fax Explanation of DBM Example of a successfully received faxTroubleshooting Parts and diagrams How to use the parts lists and diagrams Ordering partsConsumables and accessories Consumables and accessories Product number DescriptionPower cable- Hong Kong SAR Ordering consumables Common hardware Common fasteners ExampleDescriptionMajor assembly locations Supports Supports Reference Part number Description External covers and panels External covers and panels Reference Part number Description Printer door 1 Printer door 1 Reference Part number Description Printer door 2 Printer door 2 Reference Part number Description Document scanner assembly Document scanner assembly Reference Part number Description Internal components 1 Internal components 1 Reference Part number Description Internal components 2 Internal components 2 Reference Part number Description Internal components 3 Internal components 3 Reference Part number Description Electrical components assembly Common hardware Paper pickup assembly Paper pickup assembly Reference Part number Description Feed assembly Feeder assembly Reference Part number Description Separation guide assembly Separation guide assembly Reference Part number Description Delivery assembly Delivery assembly Reference Part number Description Alphabetical parts list Alphabetical parts list Part name Part numberAlphabetical parts list Figure # Reference Figure # Reference Figure # Reference Figure # Reference Figure # Reference Numerical parts list Numerical parts list Part number Part nameFigure # Reference Paper path lever-LJ 3150 darker in color Figure # Reference Cable, grounding, document scanner motor Figure # Reference Document scanner separation pad replacement When to replace the document scanner separation padHow to replace the document scanner separation pad Document scanner separation pad replacementIndex IndexIndex Index Index Index Index Index Index Index Index Index Index Page Manual Part No. C4256-90954