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Service · Problems and Possible Causes 53
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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 fail-
ure. Confirm with OK.
No dial tone when lifting the headset
No fax transmission
Check the installation of the device. Check that the device
is connected to the mains voltage.
Connect the telephone cable to the socket marked Î/
LINE. Insert the telephone plug into your PTT line socket.
If possible test your device in another telephone line before
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 re-
ceive.
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 29).
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 de-
fective.
Test the scanner by printing the functions list (press OK,
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 39)..
It is possible that the fax reception speed needs reducing
(page 40).
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.
Problems Printing or Copying Possible Cause(s)
No printing
Printing is interrupted.
Paper or document jam, no paper or toner cartridge.
Follow the instructions on the display.
Copy is blank. Insert the documents face down into the document feeder.
No toner cartridge inserted.
lpf-5120-5125-5135-manual-uk-int-253117544-b.book Seite 53 Mittwoch, 16. Dezember 2009 10:01 10