Scan System Failure #S3-3211: Turn Off Then On; Error Code S3–3211 - Samsung CLX-8640 series Service Manual

4. Troubleshooting
► Error Code
S3–3211
► Error message

Scan System Failure #S3-3211: Turn off then on.

► Symptom
DADF board is not connected or communication error occurs between DADF board and Main board.
► Troubleshooting method
1) Turn off the machine then on. If the problem persists, check the following.
2) Turn the machine off again.
3) Remove the scan rear cover. Check if the connector on scan joint board is connected correctly.
4) Remove the rear cover. Check if the connector on the main board is connected correctly.
5) Remove the DADF rear cover. Check if the connector on DADF board is connected correctly.
(Refer to 3.3.21.3 DADF Board.)
6) If the connection is OK, replace the DADF board(JC92–02509A).
7) If the problem persists after replacing the DADF board, replace the main board(JC92–02516A).
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