3-96
Confidential
9. TROUBLESHOOTING OF FAX FUNCTIONS
9.1 FAX can't Send it.
<User Check>
- Verify that the telephone cord is securely inserted into the right socket.
Step Cause Check
Result
Remedy
1 Dialing mode
setting
Does a dialing signal
(PB or DP) come out
normally in each mode?
(Use telephone line
emulator.)
Yes Check the dialing mode
setting at customer's
again. Check the
telephone line cord
between machine and
socket.
2 Connection
between main PCB
and NCU PCB
Are the main PCB and
NCU PCB connected
properly?
No Reconnect the
connector properly.
3 Connection
between main PCB
and panel PCB
Are the main PCB and
panel PCB connected
properly?
No Reconnect the
connector properly.
4 Contact of rubber
key
Does the rubber key
work correctly?
No Replace the rubber Key.
5 NCU PCB Is the problem solved
after replacing the NCU
PCB ASSY?
Yes Replace the NCU PCB
ASSY.
6 Panel PCB Is the problem solved
after replacing the
panel PCB ASSY?
Yes Replace the panel PCB
ASSY.
7 Main PCB Is the problem solved
after replacing the main
PCB ASSY?
Yes Replace the main PCB
ASSY.
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