Auto Reception Failure - Oki OKIOFFICE44 Service Manual

7.1.8

Auto Reception Failure

Start
Manual reception OK?
Is unit placed in the auto
receive mode? If not, place
the fax machine in that mode
by pressing AUTO REC key.
Yes
Solved?
Set CLOSED NETWORK
(Function program No. 08)
to OFF.
Yes
Solved?
Ringing signal is
detected at Pin 4 of CN3
(NCU)? (See 5.4.)
Replace the R44 Board.
Yes
Solved?
Replace the NCU Board.
Yes
Solved?
Check that the ringing signal
meets the specification of
the fax machine.
(See Item of Table)
Return to section 7.1.1
Troubleshooting
No
Yes
Your handset telephone
rings when a call arrives?
Check the following items:
No
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
No
Yes
No
No
7 - 13
No
Yes
1. Check the handset of
telephone set.
2. Check the line.
3. Check the exchange.
OKIOFFICE 44
Service Manual, P/N 59276801