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Samsung ML-1650, ML-1651N specifications 3 JAM, 4 JAM

Models: ML-1650 ML-1651N

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Troubleshooting

4-3-3 JAM 1

1.Recording paper is jammed in front of or inside the fuser.

•Description 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed.

EXITSEN

EXITSEN

CASSETTE

JAM 1

		Check and Cause		Solution

	1.	If the recording paper is jammed in	1.	Replace the SMPS.
		front of or inside the fuser.
		(Perform DCU diagnostic code of)
	2.	If the recording paper is stuck in the	2.	Reassemble the Actuator-Feed and
		discharge roller and the fuser just		Spring-Actuator if the returning is bad.
		after passing through the Actuator-
		Feed, Feed Actuator may be defec-
		tive.

4-3-4 JAM 2

1.Recording paper is jammed in front of or inside the fuser.

•Description 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed.

EXITSEN

EXITSEN

CASSETTE

JAM 2

	Check and Cause	Solution

	1. If the paper is completely fed out of	1. Check if the exit sensor actuator is
	the printer, but Jam 2 occurs : Exit	defective.
	sensor is defective.	• Check if the actuator exit is unformed
	• After the paper is completely dis-	(Check if the lever part is unformed
	charged, actuator Exit should return	in shape).
	to the original position to shut the	• Check whether burrs occur in the
	photo-sensor. Sometimes it takes	assembly part of the actuator exit or
	longer hour than it should and does	not and if the actuator is smoothly
	not return.	operated.
		• Check if foreign matters and wire get
		caught in the actuator exit's operation.
	2. If the paper is rolled in the Fuser Roller:	2. If the paper is stuck in the fuser : dis-
	• This occurs when a Guide claw is	assemble the fuser and remove the
	broken away or transformed.	jammed paper, and clean the surface
	• It occurs when the Spring of a Guide	of the pressure roller with dry gauze.
	claw is broken away or transformed.
	• It occurs when the Heat-Roller or
	Pressure-Roller is seriously contami-
	nated with the toner.
	3. Paper is accordion in the fuser.	3. Remove the jammed paper after disas-
		sembling the fuser : Clean the surface
		of the pressure roller with dry gauze.
		• Remove the toner particles stained
		on the rib.
		• Check the assemblage and perfor-
		mance of the exit.

4-14	Samsung Electronics

Image 38

Samsung ML-1650, ML-1651N specifications 3 JAM, 4 JAM

Contents

Laser Printer Version no This manual is stated and provided for service description Safety Precautions Read each caution carefullyPrecautions on Disassembly and Reassembly Releasing Plastic LatchesTools for Troubleshooting Electronic ScalePaper ML-1650 ML-1651N EngineController TonerML-1650 ML-1651N Environment NetworkWhenever servicing the machine, you must perform as follows General Precautions on DisassemblyReleasing Plastic Latches Transfer Roller Controller Board Pickup Assembly Main Cover Exit Assembly MP Multi-Purpose TrayLSU Hvps board10 Fan SolenoidDrive Assembly To remove the thermostat from the fuser assembly Fuser AssemblyTo remove the thermistor from the fuser assembly To remove the halogen lamp from the fuser assemblyGuide Feed & Erase Lamp To replace the pickup roller MPF Assembly and Miscellaneous on MPF AssemblyTo replace the nockup plate To replace the pickup holder and the Adjust End MP To replace the Paper Empty PE sensorEngine Board and Miscellaneous To replace the exit board To replace the actuator feed To remove the transfer guideCause and solution of the bad discharge How to use DCUCause and solution of Bad image Cause and solution of the malfunctionCode How to use DCUDCU Setup Self Diagnostic Mode Self Test Button Paper Path LayoutML-1650 Diagnostic Control Unit Quick Referance DCU PanelVertical Black Line and Band Cause and solution of Bad imageCheck and Cause Solution Vertical White LineHorizontal Black Band Black/White SpotLight Image Dark Image or a BlackUneven Density BackgroundGhost Satins on the Face Satins on Back Blank Page Print out2 JAM Cause and solution of the bad dischargeWrong Print Position 3 JAM 4 JAMMulti-Feeding Paper rolled in the fuser7 OPC All LEDs blinking Scan Error Cause and solution of the malfunctionAll LEDs blinking Fuser Error Paper Empty without indication Not function of the gear of the fuser due to melting awayPaper Empty No lamp on when the cover is open Cover OpenNo Power Defective motor operationVertical Line Getting Curved Toner Cartridge Service Partially blank Fault Signs Cause & Check Solution Light imageSigns and Measures at Poor toner cartridge ImageFault Signs Cause & Check Solution White Black spot Recycled productFault Signs Cause & Check Solution Ghost & Image Cause and solutions of bad environment of the software Printer is not workingUtilities program Abnormal Printing Spool Error How to delete the data in the spool managerExploded Views and Parts List Exploded Views and Parts List Service Parts List10-3 10-4 All Exploded Views and Parts List Cover Exploded ViewFrame Exploded View Exit Exploded View Rack-MPF Exploded View Fuser Exploded View Drive Exploded View Pick-Up Exploded View Cassette Exploded View Block Diagram Video ControllerBlock DiagramEngine Block Diagram SensorConnection Diagram VPS