Samsung CLX-9201 Service Manual page 354

4. Troubleshooting
► Error Code
S1–3110
► Error message
Video System Failure #S1-3110: Turn off then on.
► Symptom
The main board is defective.
► Troubleshooting method
1) Turn the machine off then on.
2) If the problem persists, turn the machine off again.
3) Replace the main board(JC92–02429A).
4) Turn the machine on.
► Error Code
S1–4111
► Error message
Video System Failure #S1-4111: Turn off then on.
► Symptom
The main board can't send the data through the network channel.
► Troubleshooting method
1) Check if the green LED of the network port is on.
2) If not, unplug and reconnect the network cable.
3) If the problem persists, replace the main board(JC92–02429A).
(Refer to 3.3.7 Main Board)
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