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HP 3150 manual Document release door removal 2

Models: 3150

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4To release the right hinge of the document release door from the printer door, use one hand to simultaneously press the right side of the document release door toward the left and pull the printer door frame to the right.

Figure 27. Document release door removal (2 of 2)

5Lift out the right side of the document release door, and then slide it to the right to release the left hinge.

EN	Document scanner assemblies 99

Image 101

HP 3150 manual Document release door removal 2

Contents

Page Page HP LaserJet 3100/3150 Product Copyright Information WarrantyContents Functional overview Troubleshooting Parts and diagrams Figures Contents-7Fuser pressure plate removal 114 Page Page Tables Contents-11Page Product Information Chapter contentsIntroduction Product features Feature Description Product featuresPerformance specifications Category Specification Product specificationsPhysical specifications Category Specification Skew specifications Power specifications Category SpecificationOperating acoustical emissions per ISO 9296 specifications Model number C4256A Model and serial numbersModel number C3948A Document scanner path Product overviewPrinter path 1 Printer path 2 Rear view Laser safety statement SafetyRegulatory information TransportationLuokan 1 laserlaite Klass 1 Laser Apparat Laser statement for FinlandVaroitus VarningFCC part 68 requirements FCC regulationsRJ11C Telephone consumer protection act U.S IC CS-03 requirements Declaration of conformity Conforms to the following Product SpecificationsEnvironmental product stewardship program Canadian DOC regulationsProtecting the environment This HP LaserJet printer design eliminates Ozone productionHP LaserJet Printing Supplies Toner consumptionPaper use Paper Spare parts and consumables availability Material safety data sheet Installation and operation Environmental requirements Category Requirement Operating environmentOutput capacities Media requirementsInput for document feeder tray for document scanner path Storage conditions Toner cartridge informationStoring opened toner cartridges Toner RecyclingControl panel layout Control panelControl panel messages Message Cause Control panel messagesFrom Scanner Clear DocumentCommunication Error Control panel messages Message Cause SolutionConfig. Tied Addr ConfigurationDecoding Error # Encoding ErrorFax Memory Error Lost Power failureFax Document was #numberMemory Full Send Modem Error #Unscanned Pages Memory is FullNo Memory for When nothing was in memoryReport Erase/PrintPaper Bin is Empty Password must bePlease Add Paper DigitsPrinter Comm Error Polling-In ErrorOr No Cartridge Cartridge is not installed properly Printer Cover OpenCall for Service Problem has occurred with the print Engine Printer Laser ErrorPrinter Motor Error Call for Service EngineRedial Failed ErrorRemote Fax was Busy Scan ReferenceSpeed Dial number System ErrorIs not Assigned Memory Had been received to memoryTo print a menu tree 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 To use a cleaning Using a cleaningPage Functional overview Basic functions Basic configurationPrinter functions Printer unit functional block diagramECU loads ECU/power systemPrint engine control system AC power distribution Power system on ECUDC power distribution DC power distributionHigh-voltage power supply circuit High-voltage power distributionCentral processing unit Formatter systemMemory Read-only memory ROMRandom-access memory RAM Draft modeParallel interface Control panelToner cartridge Image formation systemDeveloping Primary chargingScanning exposure Transferring Drum cleaningSeparating Fixing stagePrinter feed system 9 10 11 Paper jam detection Solenoid, photosensors, and switches Solenoid, photosensors, and switchesDocument scanner system Simplified document path Timing Period Purpose Remarks Basic sequence of operation formatter-to-printerGeneral timing diagram Removal and replacement Removal and replacement strategy Required tools Before performing serviceAfter completing service Back cover CoversBack cover removal 2 To reinstallRight side cover removal Right side coverLeft side cover removal Left side coverLeft front cover removal Left front coverTop cover removal Top coverRFI shield removal RFI shieldPrinter door Document scanner assembliesPrinter door removal 2 Printer door removal 3 Document release door removal 1 Document release doorDocument release door removal 2 Upper guide assembly removal 1 Upper guide assemblyUpper guide assembly removal 2 Contact image sensor removal 1 Contact image sensorContact image sensor removal 2 Document scanner assembly/motor removal 1 Document scanner assembly/motorDocument scanner assembly/motor removal 2 Document scanner pickup roller removal Document scanner pickup rollerLIU board Internal assembliesFormatter board removal 1 Formatter boardFormatter board removal 2 Metal side plate removal Metal side plateExit roller removal Exit rollerDelivery assembly removal 1 Delivery assemblyDelivery assembly removal 2 Fuser pressure plate removal Fuser pressure plateFuser pressure plate replacement Front casing removal Front casingHeating element removal 1 Heating elementHeating element removal 2 Pressure roller guide removal Pressure rollerAble to feel the spring’s release mechanism Face-up/face-down leverFuser exit roller assembly removal Fuser exit roller assemblyPaper exit sensor flag Paper exit sensor flag replacementLaser/scanner assembly removal Laser/scanner assemblySolenoid removal 1 SolenoidSolenoid removal 2 Pickup roller assembly removal 1 Pickup roller assemblyPickup roller assembly removal 2 Paper pickup roller assembly replacement Paper feed frame removal 1 Paper feed framePaper feed frame removal 2 Paper feed frame removal 3 Transfer roller guide and transfer roller removal Transfer roller guide and transfer rollerKick plate removal Kick plateKick plate spring replacement Separation pad removal Separation padSubpad removal SubpadsFeed assembly removal 1 Feed assemblyFeed assembly removal 2 Feed assembly removal 3 Cable guide Bottom assembliesMotor removal Main MotorECU ECU removal 2 ECU removal 3 ECU removal 4 Feet removal FeetTroubleshooting Is Power On successful? Basic troubleshootingVerification steps Possible problems Solutions Reports print? Is the product ready?Do engine tests and internal Does the product send a fax? Is the copy function operational?Does the product receive a fax? Is the software installed correctly?Does the product print from Computer?Decoding Error Error messagesMessage Cause #number Image processing chipNo Modem Installed If neither of these solutions works, replace the formatter Error LaserJet 3100/3150 product Call for Service DamagedServicing To redistribute toner in the cartridge Image formation troubleshootingCheck the toner cartridge Problem Cause Solving image quality problemsParts of the page around the edges aren’t printing Images will notOr print is not faded, but vertical white stripes appear on Horizontally Aligned black Installed Streaks or smears AppearShadows or Repetitive marks Appear on Light characterCharacter voids Solid black PaperCharacters are Completely blackOnly partially Printed also Referred to as DropoutsPrint is misaligned on the page skewed pages Always printing InstalledBlank pages are Clear Scanned text is notScanned images Print at a reduced Image SizePages are coming Solving paper feed problemsLong pages stop Feeding throughScanned items are Crooked Adjusted properlyPaper guides are not adjusted properly Tray fall forward out Not install a driver Windows will not prompt Solving general software problemsNot connected to your computer Software did not install Windows 95, 98, or NT4.0Is securely connected All in One on Your HP LaserJetNetwork Find an All in One atTo perform the simple hardware test Functional checksSimple hardware test To print an engine test Engine testEngine test button location Internal reports To print a configuration reportTo run a self-test and print a self-test report To print a demonstrationTo print all reports at once Printing all reports at onceHalf-self test functional check Drum rotation functional check Heating element check Checking the toner cartridge connection points High-voltage power supply checkPaper curl Checking the high-voltage connector assemblyTo override SW101 Paper path checkPaper path and components Troubleshooting toolsDocument path and components Document path and componentsRepetitive image defect ruler Repetitive image defect rulerDocument scanner recalibration Pressing VOLUME+CONTRASTPress once to display Service and press ENTER/MENU General circuit diagram 1 Main wiringGeneral circuit diagram 2 Control panel service menu Service menusTests in control panel service mode Control panel service menuExtended service menu Control panel can Extended service menu treeFax memory test #1 Program test #1 Self-test in extended service modeExtended service mode tests Test Explanation Other tests in extended service modeExtended service mode reports Report Explanation Reports in extended service modeClear memory in extended service mode To change the country code softswitch SoftswitchesPress Stop/Clear Country/region code softswitch sequencesFirmware and software downloads Hardware, software, and firmware compatibility Hardware, software, and firmware compatibilityTranslating the fax trace report Fax trace reportSequence Calling station Called station Fax phase sequenceAppropriate responses Commands Comments Appropriate responsesFax abbreviations Abbreviation Function Signal format X= any #MSG Example of a successfully sent fax Example of a successfully received fax Explanation of DBMTroubleshooting Parts and diagrams Ordering parts How to use the parts lists and diagramsConsumables and accessories Product number Description Consumables and accessoriesPower cable- Hong Kong SAR Ordering consumables Common fasteners ExampleDescription Common hardwareMajor 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 Part name Part number Alphabetical parts listAlphabetical parts list Figure # Reference Figure # Reference Figure # Reference Figure # Reference Figure # Reference Numerical parts list Part number Part name Numerical parts listFigure # Reference Paper path lever-LJ 3150 darker in color Figure # Reference Cable, grounding, document scanner motor Figure # Reference When to replace the document scanner separation pad Document scanner separation pad replacementDocument scanner separation pad replacement How to replace the document scanner separation padIndex IndexIndex Index Index Index Index Index Index Index Index Index Index Page Manual Part No. C4256-90954