7-8
Troubleshooting
Samsung Electronics
Service Manual
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
Check and Cause Solution
1. Check the Solenoid by using DCU Diagnostic Mode 06.
2. Check cassette/MP knock-up plate and springs.
3. Check paper separator pad
4. Check the pick up roller for contamination and correct
assembly.
5. If continuous clusters occur, check all rollers between
pickup and registration sensor.
6. If the paper feeds into the printer and Jam 0 occurs,
use DCU to check feed sensor.
1. Replace the solenoid.
2. Repair / replace as required
3 Clean with soft cloth dampened with IPA (Isopropyl
Alcohol) or water.
Replace if required.
4. Clean with soft cloth dampened with IPA (Isopropyl
Alcohol) or water.
Replace if required
5. Ensure all rollers are clean and free to operate
correctly.
6. Check the SMPS PBA, Main PBA and all connections.
Replace any faulty parts or the
7.2.2 JAM 0
• Description
1. Paper is not exited from the cassette.
2. Jam-0 occurs if the paper is not ted into the printer.
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