Samsung SCX-4521F Series - Bad discharge; Wrong Print Position; JAM 0

Samsung Electronics
Service Manual
Troubleshooting
6-4
• Description Printing begins at wrong position on the paper.
Check and Cause Solution
Wrong sense time caused by defective feed sensor
actuator.
Replace the defective actuator
Check and Cause Solution
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.
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.
6.2.2 JAM 0
• Description
1. Paper is not exited from the cassette.
2. Jam-0 occurs if the paper feeds into the printer.
BIN PATH
6.2 Bad discharge
6.2.1 Wrong Print Position