# Modes Cannot Switch Automatically between Telephone and Fax

Is the machine set to automatically switch modes between telephone and fax?
| NO | Set the Receive mode to <Fax/Tel Auto Switch> or <Answering Machine>. "Changing the Receive Mode" If you have set receive mode to <Answering Machine>, ensure that an external telephone with built-in answering machine is connected to the machine, that it is turned on, and that an answering message has been recorded.
YES |  |
Is the time set for <Ring Start Time> too short?
| YES | If you set the ring time too short, incoming faxes may be regarded as incoming phone calls. Set a longer ring time for incoming faxes in <Ring Start Time>. "Advanced Settings for the Fax/Tel Auto Switch Mode"
NO |  |
Is the line condition of the sender's machine good?
| NO | Change the <RX Start Speed>. "RX Start Speed"
YES |  |
Is the memory full?
| YES | Print, send, or delete jobs stored in memory.
NO |  |
Can the sender's machine send a switching signal, to notify your machine of an incoming fax?
| NO | Some machines cannot send this signal. In this case, receive the fax manually.

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