Samsung SCX-4100 specifications Multi-Feeding, Paper rolled in the fuser

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Troubleshooting

7.3.5 Multi-Feeding

•Description Multiple sheets of paper are fed at once.

	Check and Cause		Solution
1.	Check that the paper size guides are set correctly	1. Adjust paper guides.
	(cassette and MPF tray).
2.	Solenoid malfunction (the solenoid does not work	2.	Replace the solenoids or PBA as appropriate.
	properly).
3.	Friction Pad is contaminated.	3.	Clean the friction pad rubber with a soft cloth
			dampened with IPA (Isopropyl Alcohol) or water.

4. Paper has a rough surface texture.

4. Use paper with a smother surface finish.

7.3.6 Paper rolled in the fuser

	• Description	Paper rolled around fuser rollers or ‘Concertina’ jam

		Check and Cause	Solution

1.	Contamination of the pressure roller or heat roller.		1. After disassembling the fuser, clean contamination
			from between the heat roller and the thermistor and
			also clean contamination from the pressure roller.
			Clean the surface of the rollers with IPA or water
2.	Damaged or deformed ribs, claws or springs.		2. Check for damage or deformation of the print claws
			and the holder plate claws, and repair or replace as
			appropriate.

Service Manual

7-12

Samsung Electronics

Image 77

Contents Specifications PrecautionsTroubleshooting Block DiagramHttp//itself.sec.samsung.co.kr Safety Warning PrecautionsToxic material Electric Shock and Fire Safety PrecautionsAssembly / Disassembly Precautions Handling PrecautionsDisregarding this warning may cause bodily injury Be careful with the high temperature partESD Precautions Tool for Troubleshooting Acronyms and Abbreviations IPC Select a location for the printer 1 A4 5% Pattern Sample Pattern for the Test2 A4 2% Pattern 3 A4 IDC 5% Patten Memo General Specifications SpecificationsScan Specification Print SpecificationCopy Copy SpecificationPaper Handiling Specification Whql Other SpecificationMemo Front View Printer ComponentsRear View Control Panel System Layout Transfer Ass’y Paper Feed MechanismDrive Ass’y Fixing PartFuserScanner Unit Safety Relevant FactsScan Image Controller CIS Driver CircuitLSU Laser Scanner Unit Toner Cartridge Main PBA Flash Memory Asic Chorus2Sdram Sensor input circuitPaper Exit Sensing Paper Feeding, Toner Cartridge SensingCover Open Sensing DC FAN / Solenoid DriverSmps & Hvps HVPSHigh Voltage Power Supply Rated Power Output Smps Switching Mode Power SupplyConsumption Power Length of Power Cord 1830 ± 50mm Power Switch FittedFeature Fuser AC Power ControlEnvironment Condition Safty RequrementDrive Engine F/WTransfer FeedingHeat Lamp Method Fusing5 LSU Memo Whenever servicing the machine, you must perform as follows General Precautions on DisassemblyReleasing Plastic Latches Front and Rear Cover Units Side Covers Remove Scanner Ass’y Scanner Ass’yDismantle Scanner Ass’y Spring Pulley Idle ETC Belt Middle Cover FuserHeat Lamp Type Remove 4 screws and divide the Fuser into two parts LSU Exit RollerFan Engine Shield Ass’y Smps Transfer Roller Feed Roller Remove the Feed Roller and Feed Roller1, as shown below Pick Up Roller & Solenoid Memo To enter the Engine Test Mode Engine Test ModeDiagnostic To enter the Engine Test modePaper Path Paper Tray Clearing Paper JamsPaper Exit Area Manual Feeder Fuser Area or Around the Toner CartridgeClearing the Drum Printing the System Data ListClearing the Memory LCD Status Display by Each Error Consumables and Replacement PartsRoller Defective image Typical defect Periodic Defective ImageVertical White Line Printing Problems Causes and SolutionsVertical Black Lines and Bands Black/White Spot Horizontal Black BandsDark Image or a Black Light ImageBackground Uneven DensityGhost Digital Printer Ghost Stains on the FaceBlank Page Print out Stains on BackBlack Copy Copy ProblemsWhite Copy Defective Image Quality Abnormal noise2 JAM Paper Feed problems Causes and SolutionsWrong Print Position 4 JAM 3 JAMPaper rolled in the fuser Multi-FeedingPaper rolled on the OPC Drum LSU Error Printer Faults Causes and SolutionsFuser Error Paper Empty Fuser gear melts due to overheating causing Paper JamCover Open Paper Empty without indicationNo error message when the cover is open Defective motor operation No PowerPrinted Vertical Lines become curved Precautions on Safe-keeping of Toner Cartridge Toner Cartridge ServiceService for the Life of Toner Cartridge Standard of guarantee for consumable partsEnded Signs and Measures of Poor toner cartridgeFault Signs Cause & Check Solution Fault Signs Cause & Check Solution Ghost & Image Printer is not working Software Problems Causes and SolutionsNot working with the message insufficient printer Abnormal Printing How to delete the data in the spool manager Spool ErrorMemo Exploded Views and Parts List Main Assembly Main Assembly Parts List Frame Assembly Description SEC.Code ’ty Remark Frame Unit Assembly Parts ListFrame Unit Assembly Parts ListCont Scanner Unit Assembly Scanner Unit Assembly Parts List Fuser Unit Assembly Fuser Unit Assembly Parts List WASHER-PLAIN Middle Cover Unit Assembly ’ty Remark Middle Cover Unit Assembly Parts ListDrive Unit Assembly Parts List Drive Unit AssemblyCassette Unit Assembly Cassette Unit Assembly Parts List Block Diagram 10.10Connection Diagram

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