Samsung SCX-4100 specifications 3 JAM, 4 JAM

7.3.3 JAM 1

• Description

Troubleshooting

1. Paper is jammed in front of or inside the fuser.

2. Paper is stuck in the exit roller and in the fuser just after passing through the Actuator-Feed.

	L S U
Fuser	CR	Toner Cartridge
		DR
EXIT	OPC	SR
Sensor	PR
	TR	PTL Feed		MP Sensor
		Sensor		FR
				R/
			PIC	K

Empty Sensor

	Check and Cause		Solution
1.	If the recording paper is jammed in	1.	Replace the Exit-Sensor, SMPS or
	front of or inside the fuser.		main PBA.
2.	If the recording paper is stuck in the	2.	Reassemble the Actuator-Feed and
	exit roller and the fuser just after		Spring-Actuator if the movement is
	passing through the Actuator-Feed,		bad. Replace if necessary.
	Feed Actuator may be defective.

7.3.4 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.

	L S U
Fuser	CR	Toner Cartridge
		DR
EXIT	OPC	SR
Sensor	PR
	TR	PTL Feed		MP Sensor
		Sensor		FR
				R/
			PIC	K

Empty Sensor

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: The	defective.
Exit sensor may be defective.	• Check if the actuator exit is deformed
• After the paper is completely	(Check if the lever part is deformed).
discharged the Exit sensor actuator	• Check whether burrs occur in the
should return to its original position	assembly part of the exit actuator
to shut the photo-sensor. It may	and if the actuator operates smoothly.
stick open or return only slowly due	• Check if foreign objects or paper
to contamination be paper debris or	debris are preventing the correct
foreign objects.	operation of the actuator.
2. If the paper is rolled in the Fuser	2. If the paper is stuck in the fuser :
Roller:	disassemble the fuser and remove the
• This occurs when a Guide claw is	jammed paper, and clean the surface
broken away, damaged or	of the pressure roller with dry gauze.
deformed.	Check all ribs, claws and springs.
• It occurs when the Spring of a
Guide claw is broken or damaged.
• It occurs when the Heat-Roller or
Pressure-Roller is seriously
contaminated with toner.

Service Manual

7-11

Samsung Electronics