Service Manual
Troubleshooting
7-8
Samsung Electronics
7.2 The cause and solution of the bad discharge
7.2.1 Wrong Print Position
• 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
7.2.2 JAM 0
• Description
1. Paper is not exited from the cassette.
2. Jam-0 occurs if the paper feeds into the printer.
Check and Cause Solution
1. Check the Main clutch by using EDC
Mode.
2. Check if the pad is loose due to bad
sealing of the side-pad.
3. Check the surface of the roller-pick-
up for foreign matter.
4. If continuous clusters occur, check
whether the assembly slot between
shaft-pickup and housing-pickup
opens or is broken away.
5. If the paper feeds into the printer and
Jam 0 occurs, perform EDC Mode to
check feed-sensor of the engine
board.
1. Replace the Main clutch.
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 Main PBA and/or Sensor.
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