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Service · Problems and Possible Causes 77
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Problems and Possible Causes
General Information Possible Cause(s)
The time and date flash on the display. You must check the time and date after a short power
failure. Confirm with OK.
No dial tone when lifting the headset
No fax transmission
Check the installation of the device. Check that the de-
vice is connected to the mains voltage.
Connect the telephone cable to the socket marked
FAX/Ñ. Insert the telephone plug into your PTT line
socket.
If possible test your device in another telephone line be-
fore you contact technical customer services.
Follow the instructions on the display.
Problems with Faxing Possible Cause(s)
Fax transmissions are constantly interrupted. Try to send the fax manually:
Press μ and dial the number. If the recipient is using an
answering machine, wait until you hear a whistling tone.
Press o.
It is possible that the recipient's device is not ready to
receive.
Fax transmission to a fax number is not possible. Call the number and check whether the number is a fax
number and whether the connected fax device is ready
to receive (whistling tone or silence). You can eavesdrop
while the connection is establish (page 44).
Faxes sent are of poor quality. Modify the resolution.
Test the device by making a copy of the document. If the
device is in order, the device of the recipient might be
defective.
Test the scanner by printing the functions list (press C,
81 and OK). If the function list is printed perfectly,
it is possible the scanner is dirty or defective. Clean the
scanner.
Fax recipient receives an empty sheet. Insert the documents face down into the document
feeder.
No fax reception Check whether the manual fax reception mode is set.
The device will not receive faxes on its own (page 60)..
It is possible that the fax reception speed needs reducing
(page 61).
You hear a whistling tone or silence in the handset. The call is a fax. Press o on the device. Press *5
on the additional telephone. Hang up.