Epson WorkForce ST-M3000 Monochrome MFP Supertank Printer - Manual (Page 319)

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• Make sure you have set up your header information and have not blocked your caller ID. Otherwise,
your faxes might be rejected by the recipient's fax machine.
• Check that the cable connecting your telephone wall jack to your product's LINE port is secure.
• Print a fax connection report using your product control panel or fax software to help diagnose the
problem.
• Verify that the telephone wall jack works by connecting a phone to it and testing it.
• Check the Line Type setting and set it to PBX . If your phone system requires an external access code
to reach an outside line, register the code to the product and add a # (hash) to the beginning of the
phone number when dialing.
• If you connected your product to a DSL phone line, you must connect a DSL filter to the phone jack to
enable faxing over the line. Contact your DSL provider for the necessary filter.
• If you are connected to a DSL phone line, connect the product directly to a telephone wall jack and
send a fax. If it works, the problem may be caused by the DSL filter. Contact your DSL provider.
• Make sure you installed the FAX driver for your product and that it is not paused.
• If a communication error occurs, change the Fax Speed setting to Slow(9,600bps) on the control
panel.
• Make sure the error correction mode (ECM) setting is turned on if you are trying to send a color fax.
• If your telephone line uses call waiting and you have trouble receiving faxes, turn off call waiting to
prevent disruption of incoming faxes.
• If you have subscribed to a call forwarding service, the product may not be able to receive faxes.
Contact your service provider for assistance.
• If the recipient fax machine does not answer your call within 50 seconds after the product has finished
dialing, add pauses after the fax number to send the fax.
• Check your inbox and delete faxes after reading or printing them. If the inbox is full, the product cannot
receive faxes.
• Check if the sender's fax number is registered to the Rejection Number List
• If you enabled Rejection Fax options, check if the sender is blocked, did not set up header
information, or is not registered in your contacts list, as necessary.
• If you cannot send faxes at a specified time, make sure the date and time are set correctly on the
product.
• If you have not connected a telephone to the printer, set the Receive Mode setting to Auto on the
control panel.