Fax Problems; No Faxes Can Be Sent; No Faxes Can Be Received; A Communications Error Occurs - Brother DCP-J4110DW Service Manual

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.
Step
1 MJ PCB harness connection
failure
2 Control panel ASSY defective
3 MJ PCB defective
4 First side or second side CIS unit
defective
5 Main PCB defective

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
MJ PCB harness connection
1
failure
2 MJ PCB defective
3 Main PCB defective

4.9.3 A communications error occurs

User Check
- Change the "compatibility" of the function menu to see if the error is cleared.
- Check that there is no noise source around this machine body.
Step
MJ PCB harness connection
1
failure
2 MJ PCB defective
3 Main PCB defective
Cause
Reconnect the MJ PCB harness.
Replace the control panel ASSY.
Replace the MJ PCB ASSY.
Replace the first side or second side CIS unit.
Replace the main PCB ASSY.
Cause
Reconnect the MJ PCB harness.
Replace the MJ PCB ASSY.
Replace the main PCB ASSY.
Cause
Reconnect the MJ PCB harness.
Replace the MJ PCB ASSY.
Replace the main PCB ASSY.
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Solution
Solution
Solution
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