Printer Section | Dell 1815DN manual

System Outline

4.1.6 Printer Section

Printer is consisted of the Engine parts and F/W , and engine parts is consisted of the mechanical parts comprising Frame, Feeding, Developing, Driving, Transferring, Fusing, Cabinet and H/W comprising the main control board, power board, operation panel, PC Interface.

The main controller is consisted of ASIC (CHORUSm) parts, Memory parts, Engine Interface parts and it functions as Bus Control, I/O Handling, drivers & PC Interface by CPU.

The Engine Board and the Controller Board are in one united board, and it is consisted of CPU part and print part in functional aspect. The CPU is functioned as the bus control, I/O handling, drivers, and PC interface. The main board sends the Current Image, Video data to the LSU and manages the conduct of Electro photography for print - ing. It is consisted of the circuits of the motor (paper feed, pass) driving, clutch driving, pre-transfer lamp driving, current driving, and fan driving.

The signals from the paper feed jam sensor and paper empty sensor are directly inputted to the main board.

Printing Method:	Laser-based Electro-photography

Supported Operating Systems:	Windows 98/2000/2003/NT4.0/ME/XP/ MAC (English only, no status
	monitor, web download only)Linux: Red Hat 8.0~9.0, Fedora Core 1~3,
	Mandrake 9.0~10.2, SuSE 8.2~9.2
Emulation:	SPL(GDI) , PCL6, PS3,PCL5e

Maximum Paper Size:	Legal

Effective Printing Width:	Letter/Legal:	208mmA4:	202mm

Resolution:	Addressable 1200 x1200 dpi600x600 dpi (True; no RET)
(selectable from Print Driver)

Speed:	27ppm (Letter)

Input Paper Capacity:	Tray: 250 sheets (20 lb)
	Bypass: 50 sheets (20 lb)
Output Paper Capacity:	150 sheets (20 lb; sequenced 1 to N, face down)

Feed Direction:	Front In, Front Out (FIFO)
PC Interface:	USB 2.0(without HUB mode)
	Requires 6 ft. USB Cable (not supplied by SEC)

Toner Cartridge:	Toner Low Sensor: None
	Toner Low Indicator: Message displayed on LCD
	Cartridge Missing Indicator: Message displayed on LCD
Paper Sensing:	Tray: Add Paper	message displayed on
	LCDBypass: Add Paper message displayed on LCD

Service Manual 4-7

Image 25

Dell 1815DN service manual Printer Section

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 1 A4 ISO 19752 Standard Pattern Sample Pattern for the TestThis 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 Output Voltage Fluctuation Method PWM Control 15%Line 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 Releasing Plastic Latches General Precautions on DisassemblyWhenever 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 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 Remove the Open Cover, as shown below ADF Assy 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 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 Pull up the Feed Idle Shaft and the Bushs with Spring Feed Roller PartsRelease 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 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 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 Black Line and Band Printing Quality ProblemsVertical White Line Black/White Spot Horizontal Black Band Dark Image or a Black Light Image Background Uneven Density Hvps board Life of developer is expired GhostAbove directions Stains on the front Blank Page Print out Stains on back No Dial Tone Fax & Phone ProblemsDefective 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 Defective Automatic Receiving To the FAX ModeDescription The automatic receiving function is not working White Copy Copy ProblemsBlack Copy Defective Image Quality Abnormal noise Defective PC Scan Scanning ProblemsDefective 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 Exploded MainViews 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