4. Alignment and Troubleshooting
4-47
Samsung Electronics
Service Manual
SCX-483x/5x3x series
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Code
S6-3128
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Error message
802.1x Network Error.
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Symptom / Cause
802.1x Network Error
- The con rmation was requested for wired port, the server has rejected.
- The con rmation protocol is not the same or user information (ID/Password) is wrong.
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Troubleshooting method
Check the setting-up for 802.1x con rmation server.
- Re-enter the server information and con rmation protocol.
- Re-enter the user information.
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Code
U1-2320
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Error message
Error #U1-2320 Turn off then on.
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Symptom / Cause
The temperature control of fuser unit is abnormal. (Open Heat Error)
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Troubleshooting method
1. Turn the machine off. Re-install the fuser unit.
Then turn the machine on. Is the error message is disappeared?
2. If the problem persists, turn the machine off and remove the fuser unit.
Check if the fuser connector is connected properly.
Check if the input voltage is normal.