Lsu Problem - Samsung SL-X7600GX Service Manual

4. Troubleshooting

4.8.6. LSU problem

No Problem Description
1 ACR fail problem
2 Loud noise sound of LSU motor
1) ACR fail problem
•
Symptom : Set UI indicates ACR fail message.
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Cause : The brokenness of reflection mirror
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Troubleshooting
1) Check the assembly condition inside of LSU.
2) If the reflection mirror is deviated, replace the LSU.
2) Loud noise sound of LSU motor
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Symptom : The machine makes some noise like a siren from LSU motor in printing mode.
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Cause : LSU motor defect
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Troubleshooting
1) Enter the service mode and execute the LSU motor test.
2) If the LSU motor run sound is loud, replace the LSU.
3) If not, check the other unit.
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