
Service · Problems and Possible Causes
69
EN
Problems and Possible Causes
· 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 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.
It is possible that the recipient's device is not ready to
receive.
Fax transmissions are constantly interrupted.
Very long fax transmission times
The ECM process reduces transmission errors. A poor
connection can lead to long transmission times or to an
interruption in the transmission. Deactivate the func-
tion:
1. Press
C
,
0014
and
OK
.
2. Use
[
to select whether you would like to turn
the function on or off.
3. Confirm with
OK
.
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).
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.
Lay the document onto the flatbed scanner with the
written side down.
No fax reception
Verify if the fax was received and not printed (green light
â
on the panel is illuminated).
Check whether the manual fax reception mode is set.
The device will not receive faxes on its own (see also
chapter
Setting the Fax Reception Mode
, page 54).
It is possible that the fax reception speed needs to be re-
duced (see also chapter
Reducing the Reception Speed
,
page 56).
No fax reception or sending
Verify whether your device is connected to a Voice over
IP system (VoiP) or to an analogue telephone adapter
(ATA). It is most likely that you will have to reduce the
transfer speed or the reception speed (see also chapter
Reducing the Reception Speed
, page 56) (see also chapter
Reducing Transmission Speed
, page 55). If necessary, ask
your telecommunications provider.