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Dell 1815DN service manual Block Diagram

Models: 1815DN

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Service Manual	9-1

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Dell 1815DN service manual Block Diagram

Contents

Dell 1815dn Page Safety Warning PrecautionsToxic material Electric Shock and Fire Safety PrecautionsAssembly / Disassembly Precautions Handling PrecautionsWhen you move the printer Be careful with the high temperature partEnsure the printer is installed safely Disregarding this warning may cause bodily injurySuper Capacitor or Lithium Battery Precautions ESD PrecautionsTool for Troubleshooting SPL Acronyms and AbbreviationsThis test page is reproduced at 70% of the normal A4 size Sample Pattern for the Test1 A4 ISO 19752 Standard Pattern Product Overview Product SpecificationsRemarks Product General SpecificationsSdram Copy Items Dell Laser MFP 1815dn RemarksTelephone ITU-T G3 Face Down 150Sheets/20lb Face Up 1Sheet Whql MFP CPU Part System ConfigurationsModem Part FAX SectionModem SFX336 specification SSD Clkp Clkn Dibp Dibn LSD Signal Transition of DAA SolutionRing Sensitivity Line Interface PartOPE Pannel Section Scan PartPrinter Section Items Specification Remark PLL Main / Hpvc RTC Core VoltageSystem Outline Copier Section Telephone Section Hvps High Voltage Power SupplyLine Regulation under 15%Output Voltage Fluctuation Method PWM Control Remark Smps Switching Mode Power Supply+5V AVG TBD WhFuser AC Power Control LSU Laser Scanner Unit Toner CartridgeFixing Part Fuser Transfer Ass’yDuty Cycle Feeding PartWhenever servicing the machine, you must perform as follows General Precautions on DisassemblyReleasing Plastic Latches Take out the Cassette Front CoverIf necessary, remove the Toner Cartridge Open the CoverOpen the MP Tray Assy MP Tray AssyTake out the Duplex Unit Rear CoverFace Up Cover Fuser Assy Bracket Jam Holder Side Cover Left, Right Dimm Cover Pull up the Scanner Assy, as shown below Scanner AssyRemove the CCD Cable, as shown below Lift the ADF Assy upward to remove itRemove the four screws securing the Scan Upper Pull up the CCD Shaft and take out the Ccdm Remove the CCD Holder Remove the Open Cover, as shown below ADF AssyADF Motor Assy Remove the Contact Rubber from the OPE Cover OPE UnitRemove the Keys from the OPE Cover Shield Controller Assy Film Cable Drive Assy Duplex Drive Assy Shield Smps Assy Connection PCB Connectors are located, as shown belowFuser Drive Assy 16 Fan Pick Up Roller Assy Pull the Feed Roller from the Bushing Duplex Guide Housing With Feed RollerHvps Housing Cover Mid Front Middle Cover AssyMPF Housing Release the E-Ring securing the Feed2 Gear and remove it Feed Roller PartsPull up the Feed Idle Shaft and the Bushs with Spring Pull up the Feed1 Roller from the Bushing, as shown below Remove the Clutch Unit, as shown belowExit Roller Pick Up Gear Assy & SolenoidsTerminal PBA 26 LSUTransfer Roller Parts Paper path Alignment and AdjustmentsClearing Paper Jams If the document is jammed in the paper feed area Clearing Document JamsIf the document is jammed in the paper exit area Operator Panel Message Location of Jam Go to Clearing Jams in the Paper PathsPaper Feed Jam tray Pull the tray 1 half Pull the paper straight up and out Paper Feed Jam optional trayBypass tray Jam Paper Exit Jam Fuser Area JamAlignment & Adjustments Push the duplex unit to the printer Duplex JamDuplex Jam User ModeDell Laser MFP1815dn Paper Setting Copy Setup Fax SetupHow to Enter Tech Mode Tech ModeSetting-up System in Tech Mode To enter the Tech modeMethod Data SetupLocal Machine Do not turn off the power while upgrading processFprt rom file Remote FAXMachine Test Select the Adjust Shading atProtocol List ReportTo enter the Engine Test Mode Engine Test ModeDiagnostic To enter the Engine Test modeLaser Motor OnOff Detail DescriptionEngine Test ModeIdentify Sale Date Component Replacement Cycle Consumables and Replacement PartsHeat Roller Abnormal Image Printing and Defective RollerDisplay Meaning Suggested solutions Error MessagesToner Empty Check and Cause Solution Paper Feeding ProblemsWrong Print Position 2 JAM4 JAM 3 JAMPaper rolled in the fuser Multi-FeedingDefective ADF Paper rolled in the OPCDisplay Printing Problems malfunctionDefective LCD Operation DescriptionPaper Empty Not functioning of the fuser gear due to melting awayPaper Empty without indication Motor breaks away from its place due to gear melting awayError lamp is on even when the print Door is closed No Beep on when the Door is openDoor Open Check the insertion of the Door S/W ConnectDefective Motor operation No PowerReplace LSU Vertical Line Getting CurvedVertical White Line Printing Quality ProblemsVertical Black Line and Band Black/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityAbove directions GhostHvps board Life of developer is expired Stains on the front Blank Page Print out Stains on backDefective MF Dial Fax & Phone ProblemsNo Dial Tone Defective FAX Forward Defective FAX FORWARD/RECEIVEDial Telephone line Defective FAX ReceiveFAX at another fax machine Another machine receiving a FAX additionally Sent toDescription The automatic receiving function is not working To the FAX ModeDefective Automatic Receiving Black Copy Copy ProblemsWhite Copy Defective Image Quality Abnormal noiseDefective Image Quality of PC Scan Scanning ProblemsDefective PC Scan Precautions on Safe-keeping of Toner Cartridge Toner Cartridge ServiceService for the Life of Toner Cartridge Open the Front CoverSigns and Measures at Poor toner cartridge White Black spot Fault Signs Cause & CheckNever use usual alcohol Recycled productFault Signs Cause & Check Solution Ghost & Image General Problems Network Problems TroubleshootingWindows Problems Macintosh ProblemsSyncThru Installation Problems Page8-3 Page8-2Page8-4 Page8-5Views MainExploded Cover Assy Middle Cover Assy Front Cover Assy Rear Cover Assy Frame Assembly Fuser Drive Assy Assy Main DriveMP Assy ADF Assy Cover Platen Assy OPE Unit Scanner Assy Cassette Assy Fuser Assy UnitOptional DuplexParts ListModel Dell 1815dn Rear Cover Assy Fuser Drive Assy MP Assy Cover Platen Scanner Assy Fuser Assy BELT-TIMMING Block Diagram Connection Diagram Dell 1815dn recommended spare part list Modems, Accessories