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Confidential
2-83
4.9
Fax Problems
4.9.1 No faxes can be sent
User Check
- Check that the line cord is inserted correctly into the socket.
- Check that the dialing function setting (tone/pulse) is correct.
- Check that the phone cord is not connected to EXT terminal.
4.9.2 No faxes can be received
User Check
- Check that the line cord is inserted correctly into the socket.
- Check if the receiving mode setting is correct.
- Check that the phone cord is not connected to EXT terminal.
Step
Cause
Solution
1
MJ PCB harness connection
failure
Reconnect the MJ PCB harness.
2
LCD PCB harness connection
failure
Reconnect the LCD PCB harness.
3
Panel PCB harness
connection failure
Reconnect the panel PCB harness.
4
LCD PCB ASSY defective
Replace the LCD PCB ASSY.
5
Touch panel defective
Replace the touch panel.
6
MJ PCB defective
Replace the MJ PCB ASSY.
7
First side or second side CIS
unit defective
Replace the first side or second side CIS unit.
8
Main PCB defective
Replace the main PCB ASSY.
Step
Cause
Solution
1
MJ PCB harness connection
failure
Reconnect the MJ PCB harness.
2
MJ PCB defective
Replace the MJ PCB ASSY.
3
Main PCB defective
Replace the main PCB ASSY.
Summary of Contents for MFC-J6920DW
Page 123: ...3 3 Confidential 2 PACKING ...
Page 146: ...3 26 Confidential 3 Set the protective part Protective part ...
Page 308: ...5 37 Confidential pfadj2 Pattern ...
Page 315: ...5 44 Confidential Margin Check Pattern ...
Page 362: ...App 3 8 Confidential When the following screen appears click Close to close the screen ...