·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 connected to the LINE outlet on the back of your machine.

If you have an external telephone connected, 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 Tone/Pulse (MF/DP) [Speed Access 45] in “Setting Basic Features, Dial and Incoming Call Parameter Settings.”

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. Your machine can only communicate 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.

·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 programming the number into one of your One Touch keys and then changing the Communication Parameters for that One Touch key. See “Programming Speed Dial Numbers.”

·Your machine or the remote fax machine may need servicing. Try sending a fax to another location to check your machine.

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Oki 5750, 59502 manual Your machine won’t dial, Display shows a communication error