7. NETWORK PROBLEMS

<User Check>

-Check the descriptions in the network user’s guide.

-Try resetting the factory settings.

Step

Cause

Check

Result

Remedy

 

 

 

 

 

 

 

 

 

 

 

Wireless LAN

Is the problem solved

 

Replace the wireless LAN

1

PCB failure

after replacing the

Yes

PCB ASSY.

(MFC-8890DW)

wireless LAN PCB

 

 

 

 

 

 

ASSY?

 

 

 

 

 

 

 

 

Main PCB failure

Is the problem solved

 

Replace the main PCB

2

 

after replacing the main

Yes

ASSY.

 

 

PCB ASSY?

 

 

 

 

 

 

 

3-61

Confidential