Communication Section - Panasonic KX-F680BX Service Manual

3-6. COMMUNICATION SECTION

Communication connection (modem)
(Print defect in FAX communication)
Symptom
Referring to the printer
@ Paper is not output
A The picture is out of
order
B The picture was cut
off halfway
General Classification
TEST : If only the print communication is NG and other
Print a communication
The transmitted sending side's signal was not received.
If the DTMF tone is not heard, change the IC5
modem.
If the DTMF tone is heard, there is a problem in the
signal pass route.
Confirm the repair method in the DEFECTIVE FACSIMILE
SECTION. (Refer to page 34)
A communication error
has arose.
The sending side's signal was cut during receiving.
Communication error causes :
It is possible that there are other causes than the user.
Try communication in redial a few times.
Also, try communication speed in 4800 bps or lower.
Hint
printing is OK, there is a high possibility that
there is a problem in the digital board's modem
and analog board buss.
Another problem
1. User (unit)
2. Circuit condition
3. Other party (unit)
| 33 |
KX-F680BX/KX-F2681BX
Refer to the
error code
(Refer to page 41)