4. Alignment and Troubleshooting
4-37
Samsung Electronics
Service Manual
ML-331x/371x series
● Code
S6-3128
● Error message
802.1x Network Error.
● 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.
● 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.
● Code
S6-3123
● Error message
Network Problem: IP Con ict.
● Symptom / Cause
Network has some problem.
- IP address con icts with that of other system.
- Communication error
- There is no response when checking the ping test.
● Troubleshooting method
Change the machine’s IP address.
- Set-up the IP address in this order, Network -> TCP/IP (IPv4) -> STATIC.
- In case of DHCP or Bootp, reboot the machine to receive a new IP address.
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