Samsung MultiXpress K4 Series Service Manual page 454

4. Troubleshooting
7) ADF is not recognized and an S3-3211 error occurs or copying must be performed from
the platen.
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Symptom :
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ADF installation is not recognized.
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S3-3211 error occurs and copy must be performed using the platen.
•
Cause :
ADF power cable fails.
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Troubleshooting
1) Reassemble the ADF power cable and if it does not solve the problem, replace the cable.
2) Adjust harness and make it fixed with cable tie.
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