2-120
Confidential
4.13 Troubleshooting of FAX Functions
4.13.1 FAX can't send it
<User Check>
- Check whether the line cord is correctly inserted into the socket.
- Check whether the dialing function setting (tone/pulse) is correct.
4.13.2 FAX cannot be received.
<User Check>
- Check whether the line cord is correctly inserted into the socket.
- Check the reception mode settings are correct.
4.13.3 No bell ring
<User Check>
- Check whether the number of telephone rings is set to zero (0).
- Check whether the bell volume is set to zero (0).
Step Cause Remedy
1 Modem PCB harness
connection failure
Check the modem PCB harness connection
and reconnect it.
2 Panel PCB failure Replace the panel cover ASSY.
3 Modem PCB failure Replace the modem PCB ASSY.
4 First side or second side CIS
unit failure
Replace the first side or second side CIS
unit.
5 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Modem PCB harness
connection failure
Check the modem PCB harness connection
and reconnect it.
2 Modem PCB failure Replace the modem PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Speaker harness connection
failure
Check the speaker harness connection and
reconnect it.
2 Speaker failure Replace the speaker unit.
3 Modem PCB failure Replace the modem PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.