Auto Reception Failure - Oki B 4100 Maintenance Manual

7.1.8

Auto Reception Failure

by pressing AUTO REC key.
Yes
Set CLOSED NETWORK
(Function program No. 08)
Yes
Yes
Yes
Check that the ringing signal
Return to section 7.1.1
40055101TH Rev.4
Start
Manual reception OK?
Yes
Placed in the auto receive
mode? If not, place the
fax machine in that mode
Solved?
No
to OFF.
Solved?
No
No
Ringing signal is
detected at Pin 4 of CN3
(NCU)?
Yes
Replace MCNT Board.
Solved?
No
Replace NCU Board.
Solved?
No
meets the specification of
the fax machine.
(See Item of Table)
No
Your handset telephone
rings when a call arrives?
Yes
Check the following items:
1. Placed in the manual receive mode?
2. START key pressed to answer the call?
3. Closed network is ON and the remote
phone number is not registered in
one-touch key or two-digit auto dial
code?
No
1. Check the handset of
telephone set.
2. Check the line.
3. Check the exchange.
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