Panasonic KX-FT931LA-B Service Manual page 78

KX-FT931LA-B
12.3.3. Communication Section
Find the problem in the table shown below, and refer to the corresponding troubleshooting procedure in Defective Facsimile
Section (P.79).
No.
1 The paper is not fed properly when faxing.
(Nor in the copy mode.)
2 The fax usually transmits successfully but sometimes fails.
(The unit can copy documents.)
3 The fax usually receives successfully but sometimes fails.
(The unit can copy documents.)
4 The fax completely fails to transmit or receive.
(The unit can copy documents.)
5 The fax fails either to transmit or receive when making a
long distance or an international call.
(The unit can copy documents.)
6 The fax image is poor when transmitting or receiving during
a long distance or an international call.
7 No.1-No.5
Symptom Content
Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
Detailed description of the
possible causes (Similar to
troubleshooting items No.2
and No.3.)
The troubleshooting proce-
dure for each error code will
be printed on the communi-
cation result report.
78
Possible cause
Problem with the feeding mecha-
nism.
Problem with the service line or
with the receiver's fax.
Problem with the service line or
with the transmitter's fax.
Problem with the electric circuit.
Problem with the service line.