Samsung CLP-775ND Series Service Manual page 117

► Error Code
S6–3123
► Error message
IP Conflict / This IP address conflicts with that of other system.
► Symptom
IP address conflicts with that of other system.
► Troubleshooting method
Change the machine's IP address.
► Error Code
S6–3128
► Error message
IP Conflict / This IP address conflicts with that of other system.
► Symptom
Can not get the authentication from server after setting up to 802.1x on SWS. Can not access to network.
► Troubleshooting method
Check if the Authentication method is selected properly.
Check if the User Name/Password is entered properly.
► Error Code
U2–6133
U2–6134
► Error message
Error: #U2-6133 / LSU Unit Failure: #U2-6133. Turn off then on.
Error: #U2-6134 / LSU Unit Failure: #U2-6134. Turn off then on.
► Symptom
LSU motor does not work normally.
► Troubleshooting method
※ First, turn the machine off then on. If the error persists, refer to the following.
1) Check LSU motor operation sound.
2) If there is no sound, check that LSU connector is connected correctly.
3) If the connection is OK, replace the LSU.
4) If the problem persists, replace the main board.
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4. Alignment and Troubleshooting
4-58