Host PC Confi guration check
1. Address Confl ict check
A. IP address Confl ict : Same IP address in a network
• Unplug network cable and PING test at other PC
2. Protocol Enable / Disable, Port Number in printer driver
Factory Default
1. Network Value changed to default value
A. Some of Network value will not be changed immediately.
B. Factory default operation will be done after Power Off / Power On
Service Manual
ML-551x / 651x series
4. Alignment and Troubleshooting
4-151
Samsung Electronics