4. Alignment and Troubleshooting
► Error Code
S6–3123
S6–3128
► Error message
This IP address conflicts with that of other system. Check it.
802.1x authentication failed. Please Contact the System Administrator.
► Symptom
IP address conflicts with that of other system.
► Troubleshooting method
1) Change the machine’s IP address.
2) Check the setting-up for 802.1x confirmation server.
► Error Code
U1–2132
U1–2315
U1–2320
U1–2330
U1–2334
U1–2340
U1–234H
► Error message
Fuser Unit Failure #U1-2132: Turn off then on.
Fuser Unit Failure #U1-2315: Turn off then on.
Fuser Unit Failure #U1-2320: Turn off then on.
Fuser Unit Failure #U1-2330: Turn off then on.
Fuser Unit Failure #U1-2334: Turn off then on.
Fuser Unit Failure #U1-2340: Turn off then on.
Fuser Unit Failure #U1-234H: Turn off then on.
► Symptom
The temperature control of fuser unit is abnormal.
► Troubleshooting method
1) Check if the input voltage is normal.
2) Turn the machine off. Remove and reinstall the fuser unit. Be careful when connecting the AC-connector and
Thermistor connector.
3) Turn the machine on. Is the error message is disappeared?
4) Check the followings. If the fuser unit has any problem, replace it.
a) Check if the fuser connector is connected properly.
b) Check if the halogen lamp voltage is normal.
c) Check if the thermistor is contaminated or twisted.
5) If the problem persists, replace the main board or SMPS board.
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