Light Image, Dark Image or a Black | Dell 1815DN manual

Troubleshooting

7.3.5 Light Image

• Description

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

The printed image is light, with no ghost.

Check and Cause	Solution

1. Develop roller is stained when the toner	1. Check if the Toner Save Mode is off.
of developer cartridge is almost con-
sumed.
2. Ambient temperature is below than 10°C.	2. No 1 : Replace the developer cartridge and
	try to print out.
3. Bad contact caused by the toner stains	3. No 2 : Wait 30 minutes after printer is pow -
between the high voltage terminal in the	ered on before you start printing.
HVPS and the one in the set.
4. Abnormal output from the HVPS.	4. No3 : Clean up the contaminated area by
(Run self-test and check 1~4)	the toner.
	5. Replace the HVPS if the problems are not
	solved by the above four directions.

7.3.6 Dark Image or a Black

• Description

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

The printed image is dark.

Check and Cause	Solution
1. No charge voltage in the Main PBA.	1. Clean the high voltage charge terminal.

(Perform Engine Test Mode : Diagnostic code 4 HVPS check.)

	2.	Check the state of the connector which
2. Charge voltage is not turned on due to		connects the engine board and HVPS.
the bad contacts between power supply
in the side of the Developer and charge
terminal of HVPS.	3.	If steps 1 and 2 above did not correct the
		problem, replace the HVPS .

7-12Service Manual

Image 105

Dell 1815DN service manual Light Image, Dark Image or a Black

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 Sample Pattern for the Test 1 A4 ISO 19752 Standard PatternThis test page is reproduced at 70% of the normal A4 size 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 15% Output Voltage Fluctuation Method PWM ControlLine Regulation under 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 General Precautions on Disassembly Releasing Plastic LatchesWhenever servicing the machine, you must perform as follows 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 Lift the ADF Assy upward to remove it Remove the four screws securing the Scan UpperRemove the CCD Cable, as shown below 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 OPE Unit Remove the Keys from the OPE CoverRemove the Contact Rubber 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 Feed Roller Parts Pull up the Feed Idle Shaft and the Bushs with SpringRelease the E-Ring securing the Feed2 Gear and remove it 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 Clearing Jams in the Paper Paths Paper Feed Jam trayOperator Panel Message Location of Jam Go to Paper Feed Jam optional tray Bypass tray JamPull the tray 1 half Pull the paper straight up and out 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 Printing Quality Problems Vertical Black Line and BandVertical White Line Black/White Spot Horizontal Black Band Dark Image or a Black Light Image Background Uneven Density Ghost Hvps board Life of developer is expiredAbove directions Stains on the front Blank Page Print out Stains on back Fax & Phone Problems No Dial ToneDefective MF Dial 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 To the FAX Mode Defective Automatic ReceivingDescription The automatic receiving function is not working Copy Problems White CopyBlack Copy Defective Image Quality Abnormal noise Scanning Problems Defective PC ScanDefective Image Quality of 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 Main ExplodedViews 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