Panasonic KX-FT21BX Service Manual page 76

KX-FT21LA
(Receive Completed)
Try again.
7
Turn ON the FAX monitor func-
tion and have the receiver trans-
mit the data.
Is the
FAX signal sound
(post message) heard
after the image data is
received?
YES
Does an error
NO
(error code=48) still occur?
Decrease the RX speed.
8
Perform the communication test
using the LOOP simulator and
check the machine reception
condition.
Is the data sent correctly?
YES
Turn ON the FAX monitor func-
tion and have the receiver transmit
the data again.
Does the communication
error "code 49" occur?
YES
6.1
No post message
7.1
NO
Ask the service section for the
sender's FAX machine to
examine the unit.
YES
Does an error line exist on
the received document?
RTN is transmitted.
PIN is transmitted (to PRI-Q).
PIN is transmitted.
NO
Modem test
(TEST CODE NO.554)
- 50 -
NO
YES
NO
End
7.1