Brother MFC-7390

2-99
Confidential
4.5 Troubleshooting for Network Problems
4.5.1 Cannot make a print through network connection
<User Check>
• Check the relevant section in the Network Setting Guide.
• Check the network connection.
• Reset the network. (Refer to the online User’s Guide.)
• Check the LAN cable.
• Check that the Wired and WLAN I/F are not disabled.
• Check that the Wi-Fi Direct is not disabled.
4.5.2 Cannot connect to access point
<User Check>
• Check the wireless LAN settings.
• Check the access point settings.
• Change the machine installation location.
• Set the access point manually.
Step Cause Remedy
1
Connection failure of the
wireless LAN PCB connector
Reconnect the wireless LAN PCB connector.
2 Wireless LAN PCB failure Replace the wireless LAN PCB.
3
LAN terminal pin deformation
Main PCB failure
Replace the main PCB ASSY.
Step Cause Remedy
1 Wireless LAN PCB failure Replace the wireless LAN PCB.
2 Main PCB failure Replace the main PCB ASSY.