Xerox Phaser 3120 specifications 3 JAM, 4 JAM

TROUBLESHOOTING

4.3.3JAM 1

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

R/

CK

PI

Empty Sensor

•Description

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

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

	Check and Cause		Solution
1.	If the recording paper is jammed in front of or inside	1.	Replace the SMPS.
	the fuser. (Perform DCU diagnostic code 08)
2.	If the recording paper is stuck in the discharge roller	2.	Reassemble the Actuator-Feed and Spring-Actuator
	and the fuser just after passing through the Actuator-		if the returning is bad.
	Feed, Feed Actuator may be defective.

4.3.4 JAM 2

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

R/

CK

PI

Empty Sensor

•Description

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

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

		Check and Cause	Solution
	1. If the paper is completely fed out of the printer, but Jam		1. Check if the exit sensor actuator is defective.
	2 occurs : Exit sensor is defective.		• Check if the actuator exit is unformed (Check if the
	• After the paper is completely discharged, actuator		lever part is unformed in shape).
		Exit should return to the original position to shut the	• Check whether burrs occur in the assembly part of
		photo-sensor. Sometimes it takes longer hour than it	the actuator exit or not and if the actuator is
		should and does not return.	smoothly 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 : disassemble the
	• This occurs when a Guide claw is broken away or		fuser and remove the jammed paper, and clean the
		transformed.	surface of the pressure roller with dry gauze.
	• It occurs when the Spring of a Guide claw is broken
		away or transformed.
	• It occurs when the Heat-Roller or Pressure-Roller is
		seriously contaminated with the toner.
	3. Paper is accordion in the fuser.		3. Remove the jammed paper after disassembling the
			fuser : Clean the surface of the pressure roller with
			dry gauze.
			• Remove the toner particles stained on the rib.
			• Check the assemblage and performance of the exit.
4-14		Service Manual