OKI 4580 User Manual

Page of 91
Problem Solving
75
Problem Checklist
Your machine is a complex machine with many
features and functions, which allow it to operate in
different ways. Many problems you experience may
be due to improper programming. If you are experi-
encing a problem, read through the list of problems
and solutions before calling your dealer.
The display is blank. Check the power cord to
make sure that it is firmly plugged in. Check your
wall outlet to make sure that it has power.
Nothing happens when you press the control
panel keys.
 Turn the machine off, wait 10 seconds,
then turn it on again.
The display tells you to replace paper even
though there is paper in the paper tray.
 Make
sure that the paper is firmly stacked in the tray.
Check for a paper jam in the machine.
Your documents jam. Check the document for
wrinkles, tears or other damage. Make sure there
are no staples or paper clips and that the paper is
clean and dry. Make sure the document is not wider
than your machine can load. Try making a copy of
the document on a photocopier and faxing the
copy.
Your machine won’t dial. Check the power cord
and wall outlet. Make sure that your telephone line
(not your external telephone or handset) is con-
nected to the LINE outlet on the back of your
machine. If you have an external telephone con-
nected, lift the handset and check for a dial tone. If
you do not hear one, there may be a problem with
your telephone line. If you do hear a dial tone, your
machine may be using the wrong dialing method
(pulse or tone) for your area. If you hear changing
tones instead of dialing pulses and you know that
your area uses pulse dialing, refer to the
MF(TONE)/DP(PULSE) user function setting in the
Programming section.
The display shows a communication error. This
alarm indicates any of a number of problems. You
may be trying to communicate with an incompatible
fax machine (the standard unit can only communi-
cate with ITU-T Group 3 fax machines). The remote
machine may not be able to perform the function
that you want, such as polling or confidential
messages. The remote machine may also be out of
paper or experiencing a paper jam. Bad telephone
line conditions can also cause communication
errors. Try sending the fax again and check to
make sure you are dialing the correct telephone
number. If you have to dial a prefix number to get
an outside line, or if you are dialing internationally,
you may need to enter a pause (using the Pause
One-Touch key) after the dial prefix or international
dialing code to tell your machine to wait for a dial
tone. If you have frequent problems communicating
with a particular remote fax machine, try program-
ming the number into one of your One-Touch keys
and then changing the One-Touch Parameters for
that One-Touch key (see the Dial Directories
section). Lastly, either your machine or the remote
fax machine may need servicing. Try sending a fax
to another location to check your machine.
You sent a fax but the image the remote fax
machine received was very poor.
 If your docu-
ment had a lot of small type, complex illustrations,
photos, or was very light or very dark, try changing
your Transmit Resolution and Type of Original
settings (see “Loading Documents” in the Basic
Operations section). Copy the document on your
machine to see how it will transmit. The problem
may be caused by telephone line interference. Try
sending the document again later.
You keep getting reports you do not want.
Check your user function settings and turn off the
reports you do not want. See the Programming
section.
You sent a fax but it was received completely
blank.
 Make sure that you have loaded your
document face down.