252 Chapter 8 Solve a problem EN
• Make sure you used the phone cord supplied in the box with the printer to connect to the telephone wall
jack. One end of the phone cord should be connected to the port labeled on the back of the printer
and the other end to your telephone wall jack, as shown in the illustration.
1 Telephone wall jack.
2
Use a minimum 26 AWG phone cord to connect to the
port on the printer.
• Try connecting a working phone and phone cord to the telephone wall jack that you are using for the
printer and check for a dial tone. If you do not hear a dial tone, call your local telephone company for
service.
• Other equipment, which uses the same phone line as the printer, might be in use. For example, you
cannot use the printer for faxing if an extension phone is off the hook, or if you are using a computer
dial-up modem to send an email or access the Internet.
• Check to see if another process has caused an error. Check the display or your computer for an error
message providing information about the problem and how to solve it. If there is an error, the printer
cannot send or receive a fax until the error condition is resolved.
• The phone line connection might be noisy. Phone lines with poor sound quality (noise) can cause faxing
problems. Check the sound quality of the phone line by plugging a phone into the telephone wall jack
and listening for static or other noise. If you hear noise, turn Error Correction Mode (ECM) off and try
faxing again. If the problem persists, contact your telephone company.
• If you are using a digital subscriber line (DSL) service, make sure that you have a DSL filter connected or
you cannot fax successfully.
• Make sure the printer is not connected to a telephone wall jack that is set up for digital phones. To
check if your phone line is digital, connect a regular analog phone to the line and listen for a dial tone. If
you do not hear a normal sounding dial tone, it might be a phone line set up for digital phones.
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