Brother MFC-9840CDW - Network Problems

Confidential
1-63
6. NETWORK PROBLEMS
User Check
- Check the descriptions in the network user’s guide.
- Try resetting the factory settings.
Step Cause
Check Result Remedy
1
Wireless LAN
PCB failure
Is the problem solved
after replacing the
wireless LAN PCB
ASSY?
Yes Replace the wireless
LAN PCB ASSY.
2
Main PCB failure Is the problem solved
after replacing the main
PCB ASSY?
Yes Replace the main PCB
ASSY.