Ui System Failure #S5-3111:Turn Off Then On; Error Code S5–3111 - Samsung CLX-8640 series Service Manual

► Error Code
S5–3111
► Error message

UI System Failure #S5-3111:Turn off then on.

► Symptom
Communication error between main board and OPE board has occurred.
► Troubleshooting method
1) Remove the rear cover.
(Refer to 3.3.2 Rear Cover.)
2) Check if the OPE cable is connected to the main board correctly.
3) Remove and disassemble the OPE unit.
(Refer to 3.3.20 OPE unit.)
4) Check if the OPE cable is connected to the OPE board correctly.
5) If the connection is OK, replace the main board(JC92–02516A).
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4. Troubleshooting
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