Bad Discharge - Xerox Phaser 3120 Service Manual

4.3 bad discharge

4.3.1 Wrong Print Position
• Description Printing begins at wrong position on the paper.
Check and Cause
Wrong sense time caused by defective feed sensor
actuator.
4.3.2 JAM 0
Fuser
PR
EXIT
Sensor
Check and Cause
1. Check the Solenoid by using DCU diagnostic mode
06.
2. Check if the pad is loose due to bad sealing of the
side-pad.
3. Check the surface of the roller-pickup for foreign mat-
ter.
4. If the paper feeds into the printer rand Jam 0 occurs,
perform DCU to check feed-sensor of the engine
board.
L S U
Toner Cartridge
CR
DR
OPC SR
PTL
MP Sensor
TR FR
Feed
Sensor
Empty Sensor
Replace the defective actuator
• Description
1. Paper is not exited from the cassette.
2. Jam-0 occurs if the paper feeds into the printer.
1. Replace the solenoid.
2. Replace the side-pad Assembly L or R, if necessary.
3. Clean with soft cloth dampened with IPA(Isopropyl
Alcohol) or water.
4. Replace the SMPS-HVPS and/or Sensor.
TROUBLESHOOTING
Solution
Solution
Service Manual
4-13