Panasonic KX-FT21BX, Service Manual

Page: 63 / 206

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KX-FT21LA
TROUBLESHOOTING GUIDE
3-6 COMMUNICATION SECTION
Find the problem in the table shown below, and refer to the corresponding troubleshooting procedure in the
reference pages (pages 37-52).
Possible cause
Problem with the feeding
mechanism.
Problem with the service
line or the receiver's fax.
Problem with the service
line or the transmitter's fax.
Problem with an electric
circuit.
Problem with the service
line.
No.
1
2
3
4
5
6
Symptom
The paper does not feed properly when
faxing. (Copying is also not possible.)
The fax transmits successfully one time
and fails another. (Copying is possible.)
The fax receives successfully one time and
fails another. (Copying is possible.)
The fax completely fails to transmit or
receive. (Copying is possible.)
The fax fails either to transmit or receive
when making a long distance or interna-
tional call. (Copying is possible.)
No.1-No.5
Ref. page
38
39
40
41
42-44
45-54
Content
Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
Detailed description of the
possible causes (Similar to
troubleshooting items No.2
and No.3.)
Troubleshooting procedure
for each error code printed
on the communication
result report.