Block Diagram | Dell 1815DN guide

Block Diagram

99. Block Diagram

Service Manual	9-1

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Dell 1815DN service manual Block Diagram

Contents

Dell 1815dn Page Safety Warning Precautions Toxic material Electric Shock and Fire Safety Precautions Assembly / Disassembly Precautions Handling Precautions When you move the printer Be careful with the high temperature partEnsure the printer is installed safely Disregarding this warning may cause bodily injury Super Capacitor or Lithium Battery Precautions ESD Precautions Tool for Troubleshooting SPL Acronyms and Abbreviations This test page is reproduced at 70% of the normal A4 size Sample Pattern for the Test1 A4 ISO 19752 Standard Pattern Product Overview Product Specifications Remarks Product General Specifications Sdram Copy Items Dell Laser MFP 1815dn Remarks Telephone ITU-T G3 Face Down 150Sheets/20lb Face Up 1Sheet Whql MFP CPU Part System Configurations Modem Part FAX Section Modem SFX336 specification SSD Clkp Clkn Dibp Dibn LSD Signal Transition of DAA Solution Ring Sensitivity Line Interface Part OPE Pannel Section Scan Part Printer Section Items Specification Remark PLL Main / Hpvc RTC Core Voltage System Outline Copier Section Telephone Section Hvps High Voltage Power Supply Line Regulation under 15%Output Voltage Fluctuation Method PWM Control Remark Smps Switching Mode Power Supply+5V AVG TBD Wh Fuser AC Power Control LSU Laser Scanner Unit Toner CartridgeFixing Part Fuser Transfer Ass’y Duty Cycle Feeding Part Whenever 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 Cover Open the MP Tray Assy MP Tray Assy Take out the Duplex Unit Rear Cover Face Up Cover Fuser Assy Bracket Jam Holder Side Cover Left, Right Dimm Cover Pull up the Scanner Assy, as shown below Scanner Assy Remove 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 Assy ADF 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 below Fuser Drive Assy 16 Fan Pick Up Roller Assy Pull the Feed Roller from the Bushing Duplex Guide Housing With Feed Roller Hvps Housing Cover Mid Front Middle Cover Assy MPF 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 below Exit Roller Pick Up Gear Assy & Solenoids Terminal PBA 26 LSU Transfer Roller Parts Paper path Alignment and Adjustments Clearing Paper Jams If the document is jammed in the paper feed area Clearing Document Jams If 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 Jam Alignment & Adjustments Push the duplex unit to the printer Duplex Jam Duplex Jam User ModeDell Laser MFP1815dn Paper Setting Copy Setup Fax Setup How to Enter Tech Mode Tech ModeSetting-up System in Tech Mode To enter the Tech mode Method Data Setup Local Machine Do not turn off the power while upgrading processFprt rom file Remote FAX Machine Test Select the Adjust Shading at Protocol List Report To enter the Engine Test Mode Engine Test ModeDiagnostic To enter the Engine Test mode Laser Motor OnOff Detail DescriptionEngine Test Mode Identify Sale Date Component Replacement Cycle Consumables and Replacement Parts Heat Roller Abnormal Image Printing and Defective Roller Display Meaning Suggested solutions Error Messages Toner Empty Check and Cause Solution Paper Feeding ProblemsWrong Print Position 2 JAM 4 JAM 3 JAM Paper rolled in the fuser Multi-Feeding Defective ADF Paper rolled in the OPC Display Printing Problems malfunctionDefective LCD Operation Description Paper Empty Not functioning of the fuser gear due to melting awayPaper Empty without indication Motor breaks away from its place due to gear melting away Error 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 Connect Defective Motor operation No Power Replace LSU Vertical Line Getting Curved Vertical White Line Printing Quality ProblemsVertical Black Line and Band Black/White Spot Horizontal Black Band Dark Image or a Black Light Image Background Uneven Density Above directions GhostHvps board Life of developer is expired Stains on the front Blank Page Print out Stains on back Defective MF Dial Fax & Phone ProblemsNo Dial Tone Defective FAX Forward Defective FAX FORWARD/RECEIVE Dial Telephone line Defective FAX ReceiveFAX at another fax machine Another machine receiving a FAX additionally Sent to Description The automatic receiving function is not working To the FAX ModeDefective Automatic Receiving Black Copy Copy ProblemsWhite Copy Defective Image Quality Abnormal noise Defective 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 Cover Signs and Measures at Poor toner cartridge White Black spot Fault Signs Cause & CheckNever use usual alcohol Recycled product Fault Signs Cause & Check Solution Ghost & Image General Problems Network Problems Troubleshooting Windows Problems Macintosh Problems SyncThru Installation Problems Page8-3 Page8-2Page8-4 Page8-5 Views MainExploded Cover Assy Middle Cover Assy Front Cover Assy Rear Cover Assy Frame Assembly Fuser Drive Assy Assy Main Drive MP Assy ADF Assy Cover Platen Assy OPE Unit Scanner Assy Cassette Assy Fuser Assy UnitOptional Duplex Parts 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