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TROUBLESHOOTING GUIDE
KX-F680BX/KX-F2681BX
Turn ON the FAX monitor func-
tion and have the receiver trans-
mit the data.
Is FAX signal sound
(post message) heard
after the image data is
received?
Ask the service section of the
sender's FAX machine for ex-
amination.
Does an error
(error code=48) occur still?
(Receive Complete)
Decrease the RX speed.
Does an error lines exist
on received document?
RTN is transmitted.
PIN is transmitted (to PRI-Q).
PIN is transmitted.
Try again.
Perform communication test us-
ing the LOOP simulator and
check the machine reception
condition.
Is the data facsimiled
correctly?
Modem test
(TEST CODE NO.554)
Turn ON the FAX monitor func-
tion and have the receiver in
question transmit the data
again.
Does the communication
error "code 49" occur?
NO
End
NO
NO
NO
NO
YES
YES
YES
YES
YES
7 No post message
8
6.1
7.1
7.1
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