Bad Discharge - Samsung SCX-4521F Series Service Manual

Troubleshooting

6.2 Bad discharge

6.2.1 Wrong Print Position
• Description Printing begins at wrong position on the paper.
Check and Cause
Wrong sense time caused by defective feed sensor
actuator.
6.2.2 JAM 0
Check and Cause
1. Check the Solenoid by using Engine Test Mode-Pick
up Test.
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 Engine Test Mode-Feed Sensor Test.
Service Manual
6-4
BIN PATH
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 or Sensor.
Solution
Solution
Samsung Electronics