Muratec MFX-2550 Field Engineering Manual page 265

No. Symptom What to confirm
1. Is the machine verifying the pass-
15 The machine
does not receive
or send a FAX.
2. Is the password correct?
3. Does the machine communicate with
4. If you replace the NCU board or the
5. If you replace the main control board,
16 The auto mem- 1. Has the auto reception been set?
ory reception
does not work.
2. If you replace the NCU board or the
3. If you replace the main control board,
17 A dial signal 1. Has the line type setting been set
output fails after
entering the
2. If you replace the NCU board or the
number from the
numeric keys.
3. If you replace the main control board,
1. Has the volume setting been set to
18 The line monitor
does not work.
2. Has the setting for the line monitor
3. If you replace the speaker or the con-
4. If you replace the main control board,
word?
a right working machine?
connecting harness, the symptom will
be fixed.
the symptom will be fixed.
connecting harness, the symptom will
be fixed.
the symptom will be fixed.
correctly ?
connecting harness, the symptom will
be fixed.
the symptom will be fixed.
OFF?
been set up?
necting harness, the symptom will be
fixed.
the symptom will be fixed.
Yes Check No. 2.
No Check No. 3.
Stop using the password verification,
Yes
then check No. 3.
Enter the correct password.
No
The operation might wrong, or counter
Yes
machine might have problem.
No Check No. 4.
Yes Replace the NCU board or the har-
ness.
No Check No. 5.
Yes Replace the main control board.
No Replace the machine.
Yes Check No. 2.
No Set auto reception mode.
Yes Replace the NCU board or the har-
ness.
No Check No. 3.
Yes Replace the main control board.
No Replace the machine.
Yes Check No. 2.
No Set the correct line type.
Yes Replace the NCU board or the har-
ness.
No Check No. 3.
Yes Replace the main control board.
No Replace the machine.
Set the volume except OFF.
Yes
No Check No. 2.
Yes Check No. 3.
No Set up the setting.
Yes Replace the speaker or the harness.
No Check No. 3.
Yes Replace the main control board.
No Replace the machine.
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Countermeasure