Panasonic KX-FT21BX Service Manual page 80

KX-FT21LA
Modem test
(TEST CODE NO.554)
15
Confirm if a mechanical problem
occurred. E.g., transmission was
interrupted or the document was
out of place on the receiver side
(being polled).
Was it mechanical error as
mentioned above?
YES
Ask the receiver to set the Poll
mode again and perform polling.
16
Perform the communication test
using the LOOP simulator and
check the machine reception
condition.
YES
Is the carrier cut?
NO
6.1
- 54 -
Polling is not possible.
NO
Ask the service section for the
receiver's FAX machine to ex-
amine the unit.
The carrier is cut when the image signal is received.