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Item
Symptom
No.
Cannot go to
"Sending" nor
"Receiving"
modes
10 Any improvement after
11
Cause
1
Is the password checked?
2
Is the password correct?
3
Try to communicate with the
service center. Same prob-
lem?
Possible causes:
A. FAX button is not
pressed.
B. Both systems are in the
transmission (or recep-
tion) mode.
4
Are the transmission level
and equalizer of the service
center set properly?
5
Did you check the mode (TX
or RX) of the remote side?
6
Any improvement after
replacing NCU board?
7
Any improvement after
replacing the cable between
NUC and FAX1?
8
Any improvement after
replacing FAX1 board?
9
Any improvement after
replacing MFB2 board?
replacing AOP board?
Any improvement after
replacing the cable between
AOP and MFB2?
T-13
Remedy
YES Go to item 2
NO Go to item 3.
Disable password check and
YES
Go to item 3.
NO Match the password.
YES Go to item 4.
END
Possible causes are line trou-
ble, trouble or improper oper-
ation in the remote terminal,
NO
or the remote FAX is not con-
nected.
YES Go to item 5.
NO Set them properly.
YES Go to item 6.
NO Confirm it by phone.
YES Replace NUC board.
NO Go to item 7.
Replace the cable between
YES
NUC and FAX1.
NO Go to item 8.
YES Replace FAX1 board.
NO Go to item 9.
YES Replace MFB2 board.
NO Go to item 10.
YES Replace AOP board.
NO Go to item 11.
Replace the cable between
YES
AOP and MFB2.
NO Replace the PWB-A
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