Detail DescriptionEngine Test Mode, Laser Motor OnOff | Dell 1815DN

Alignment & Adjustments

6.5.3 Detail Description(Engine Test Mode)

Function Name	Description	Display
01.Motor Test	The main motor keeps running after the execution key is	Main Motor On(Off)
	chosen and stops when the stop key is chosen.

02.Pick Up Test	automatically	Tray 1,2 Solenoid On/Off
	stops, when the execution is chosen.
03.Fan Test	The fan keeps running after the execution key is chosen	Fan On(Off)
	and stops when the stop key is chosen.
04.Manual Clutch Test	The tray2,3 clutch is on for 1sec and then it automatically	Tray 2,3 Clutch On/Off
	stops, when the execution is chosen.On this function,
	the main motor runs before 2sec from the point of the clutch
	on in order to check the clutch state.
05.PTL Test	PTL(Pre-Transfer Lamp) is on after the execution key is	PTL On(Off)
	chosen and it stops when the stop key is chosen.
11.LSU Motor	Test The laser motor keeps running after the execution key	Laser Motor On(Off)
	is chosen and stops when the stop key is chosen.
12.LSU Hsync Test	“Laser Leady” is displayed, When the Laser Scanning	Laser Leady On(Off)
	Unit is ready to print. On the other case “Laser Error”
13.LD Test	“Diode On” is displayed, when the laser diode is on.	Diode On(Off)
	On the other case “Diode Off” is displayed.
21.Feed Sen Test	These Functions are considered to check the present	"Sensor Off"to “ Sensor On ”
22.Exit Sen Test	state (normal or not)of the Sensors.
23.Cover Sen Test	After the cover is open, touch the sensor and confirm	"Cover Open" to "Cover Close"
	the message changed “Cover Open” to “ Cover Close”
24.Empty Sen Test	These Functions are considered to check the present	"Sensor Off"to “ Sensor On ”
25.Manual Sen Test	state (normal or not)of the Sensors.
31.Them ADC 180	“current value"is displayed on the upper line of the panel,	Input and output value are
32.Them ADC 140	and “target value"on the bottom line.	ADC value.(refer to the
33.Them ADC 120	Target value is limited from “191°C” to “80°C”	ADC table)
34.Them ADC 100
41.MHV Test	These Functions are considered to check whether the	MHV On(Off)
42.Dev Bias Test	control for HVPS is normal or not.	Dev Bias On(Off)
43.THV EN/NEG Test		THV EN/NEG On(Off)
44.THV ON(1300V)		THV On(Off)
45.THV ADC 1300V		ADC value displayed.
46.THV ADC 600V~3500		ADC value displayed.

6-18Service Manual

Image 88

Dell 1815DN service manual Detail DescriptionEngine Test Mode, Laser Motor OnOff

Contents

Dell 1815dn Page Precautions Safety Warning Electric Shock and Fire Safety Precautions Toxic material Handling Precautions Assembly / Disassembly Precautions Be careful with the high temperature part When you move the printerEnsure the printer is installed safely Disregarding this warning may cause bodily injury ESD Precautions Super Capacitor or Lithium Battery Precautions Tool for Troubleshooting Acronyms and Abbreviations SPL 1 A4 ISO 19752 Standard Pattern Sample Pattern for the TestThis test page is reproduced at 70% of the normal A4 size Product Specifications Product Overview Product General Specifications Remarks Sdram Items Dell Laser MFP 1815dn Remarks Copy Telephone ITU-T G3 Face Down 150Sheets/20lb Face Up 1Sheet Whql MFP System Configurations CPU Part FAX Section Modem Part Modem SFX336 specification Signal Transition of DAA Solution SSD Clkp Clkn Dibp Dibn LSD Line Interface Part Ring Sensitivity Scan Part OPE Pannel Section Printer Section Items Specification Remark RTC Core Voltage PLL Main / Hpvc System Outline Copier Section Hvps High Voltage Power Supply Telephone Section Output Voltage Fluctuation Method PWM Control 15%Line Regulation under Smps Switching Mode Power Supply Remark+5V AVG TBD Wh Fuser AC Power Control Toner Cartridge LSU Laser Scanner UnitFixing Part Fuser Transfer Ass’y Feeding Part Duty Cycle Releasing Plastic Latches General Precautions on DisassemblyWhenever servicing the machine, you must perform as follows Front Cover Take out the CassetteIf necessary, remove the Toner Cartridge Open the Cover MP Tray Assy Open the MP Tray Assy Rear Cover Take out the Duplex Unit Face Up Cover Fuser Assy Bracket Jam Holder Side Cover Left, Right Dimm Cover Scanner Assy Pull up the Scanner Assy, as shown below Remove the four screws securing the Scan Upper Lift the ADF Assy upward to remove itRemove the CCD Cable, as shown below Pull up the CCD Shaft and take out the Ccdm Remove the CCD Holder ADF Assy Remove the Open Cover, as shown below ADF Motor Assy Remove the Keys from the OPE Cover OPE UnitRemove the Contact Rubber from the OPE Cover Shield Controller Assy Film Cable Drive Assy Duplex Drive Assy Shield Smps Assy Connectors are located, as shown below Connection PCB Fuser Drive Assy 16 Fan Pick Up Roller Assy Duplex Guide Housing With Feed Roller Pull the Feed Roller from the Bushing Hvps Housing Middle Cover Assy Cover Mid Front MPF Housing Pull up the Feed Idle Shaft and the Bushs with Spring Feed Roller PartsRelease the E-Ring securing the Feed2 Gear and remove it Remove the Clutch Unit, as shown below Pull up the Feed1 Roller from the Bushing, as shown below Pick Up Gear Assy & Solenoids Exit Roller 26 LSU Terminal PBA Transfer Roller Parts Alignment and Adjustments Paper path Clearing Paper Jams Clearing Document Jams If the document is jammed in the paper feed area If the document is jammed in the paper exit area Paper Feed Jam tray Clearing Jams in the Paper PathsOperator Panel Message Location of Jam Go to Bypass tray Jam Paper Feed Jam optional trayPull the tray 1 half Pull the paper straight up and out Fuser Area Jam Paper Exit Jam Alignment & Adjustments Duplex Jam Push the duplex unit to the printer Duplex Jam Paper Setting Copy Setup Fax Setup User ModeDell Laser MFP1815dn Tech Mode How to Enter Tech ModeSetting-up System in Tech Mode To enter the Tech mode Data Setup Method Do not turn off the power while upgrading process Local MachineFprt rom file Remote FAX Select the Adjust Shading at Machine Test Report Protocol List Engine Test Mode To enter the Engine Test ModeDiagnostic To enter the Engine Test mode Detail DescriptionEngine Test Mode Laser Motor OnOff Identify Sale Date Consumables and Replacement Parts Component Replacement Cycle Abnormal Image Printing and Defective Roller Heat Roller Error Messages Display Meaning Suggested solutions Toner Empty Paper Feeding Problems Check and Cause SolutionWrong Print Position 2 JAM 3 JAM 4 JAM Multi-Feeding Paper rolled in the fuser Paper rolled in the OPC Defective ADF Printing Problems malfunction DisplayDefective LCD Operation Description Not functioning of the fuser gear due to melting away Paper EmptyPaper Empty without indication Motor breaks away from its place due to gear melting away No Beep on when the Door is open Error lamp is on even when the print Door is closedDoor Open Check the insertion of the Door S/W Connect No Power Defective Motor operation Vertical Line Getting Curved Replace LSU Vertical Black Line and Band Printing Quality ProblemsVertical White Line Horizontal Black Band Black/White Spot Light Image Dark Image or a Black Uneven Density Background Hvps board Life of developer is expired GhostAbove directions Stains on the front Stains on back Blank Page Print out No Dial Tone Fax & Phone ProblemsDefective MF Dial Defective FAX FORWARD/RECEIVE Defective FAX Forward Defective FAX Receive Dial Telephone lineFAX at another fax machine Another machine receiving a FAX additionally Sent to Defective Automatic Receiving To the FAX ModeDescription The automatic receiving function is not working White Copy Copy ProblemsBlack Copy Abnormal noise Defective Image Quality Defective PC Scan Scanning ProblemsDefective Image Quality of PC Scan Toner Cartridge Service Precautions on Safe-keeping of Toner CartridgeService for the Life of Toner Cartridge Open the Front Cover Signs and Measures at Poor toner cartridge Fault Signs Cause & Check White Black spotNever use usual alcohol Recycled product Fault Signs Cause & Check Solution Ghost & Image Network Problems Troubleshooting General Problems Macintosh Problems Windows Problems SyncThru Installation Problems Page8-2 Page8-3Page8-4 Page8-5 Exploded MainViews Cover Assy Middle Cover Assy Front Cover Assy Rear Cover Assy Frame Assembly Fuser Drive Assy Main Drive Assy MP Assy ADF Assy Cover Platen Assy OPE Unit Scanner Assy Cassette Assy Fuser Assy Duplex UnitOptional 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