71 GB
TOSHIBATF 651
Transmission problems Your fax machine reports an operating error or
fails to perform the required function. Before
you make an unnecessary call on your service
technician, take your time and see if you
can help yourself. This checklist will help
you recognise and eliminate errors.
Possible problems
Possible problems

possible causes ...

Your machine displays an error.
The display is blank.
Document size or thickness of paper are not
acceptable.
The operator control panel is not firmly locked.
You replaced the receiver before pressing
START.
Document format or paper thickness not as
specified.
The document guides are not properly adjusted
to the paper size.
The other machine is out of paper.
You loaded your document in the machine with
the image face-up.
Your machine’s document reader is dirty or
damaged.
RESOLUTION and CONTRAST are not set
correctly.
The telephone connection is poor.
Abbreviated or one-touch dialling number is not
correctly stored.
The telephone is not correctly connected.
The fax machine is not correctly connected.
Your fax machine has been set to the wrong
dialling mode.
If you are connected to a PABX: You have set
the wrong line type.
Your fax machine is not connected to the
PSTN.

... and solutions

If the display gives an error message,
clear the fault and delete the display with
RESET.
Check there is power on the machine.
The machine must be switched on (see
page 4).
Use acceptable documents only (see
page 22).
Close the cover. It should be firmly locked
in place on both sides.
Try again. Replace the receiver only when
you have pressed START.
Use acceptable documents only (see
page 22).
Adjust the document guides accordingly.
Ask the receiver to put paper in his
machine.
Send your document again: the image
must be face-down on your document
feeder.
Make a copy of your document on your
fax machine (see page 20). If your copy is
also difficult to read, clean the document
reader.
Make a copy on your fax machine (see
page 20) and adjust the settings to your
document. You can also improve
document quality: By making the print on
the photocopy darker, enlarging or
reducing. (see page 30/31). Then send
again.
Redial. You may get a better
conncection.
Check and correct stored numbers (see
page 44).
Check that your telephone is connected
correctly to the socket (see page 4).
Plug the connecting cable of your fax
machine into the socket (see page 4).
Switch to the correct dialling procedure:
DTMF or pulse-dialling (see page 11).
Set the line types to EXTENSION (see
page 12).
Plug the connecting cable of your fax
machine into the socket (see page 4).

Problem

Your document is not automatically pulled
into the feeder.
The text ”transmission” is not displayed
when you press the START key.
The document is damaged during sending
or copying.
Your fax machine performed transmission
correctly but the message was not
received by the receiver.
The receiver received a blank sheet
instead of the document sent.
The receiver reports: The document
transmitted is difficult to read.
Abbreviated or one-touch dialling do not
work.
No dial tone is heard when handset is off-
hook.
Your call does not arrive although you
have dialled the correct number.