Xerox Phaser 3120 specifications Bad discharge, Wrong Print Position, 2 JAM

TROUBLESHOOTING

4.3bad discharge

4.3.1Wrong Print Position

•Description Printing begins at wrong position on the paper.

Check and Cause	Solution
Wrong sense time caused by defective feed sensor	Replace the defective actuator
actuator.

4.3.2 JAM 0

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

R/

CK

PI

•Description

1.Paper is not exited from the cassette.

2.Jam-0 occurs if the paper feeds into the printer.

Empty Sensor

	Check and Cause		Solution
1.	Check the Solenoid by using DCU diagnostic mode	1.	Replace the solenoid.
	06.
2.	Check if the pad is loose due to bad sealing of the	2.	Replace the side-pad Assembly L or R, if necessary.
	side-pad.
3.	Check the surface of the roller-pickup for foreign mat-	3.	Clean with soft cloth dampened with IPA(Isopropyl
	ter.		Alcohol) or water.
4.	If the paper feeds into the printer rand Jam 0 occurs,	4.	Replace the SMPS-HVPS and/or Sensor.
	perform DCU to check feed-sensor of the engine
	board.

Service Manual 4-13