MFC-J870DW

FAQs & Troubleshooting

FAQs & Troubleshooting

Send a fax without scanning the documents into memory.

Real Time Transmission allows you to send faxes without first scanning them into memory.

When Real Time Transmission is on, you place the document in the Automatic Document Feeder (ADF) or on the flat scanner glass and dial the fax number you want to send to. As soon as your fax line is free, your machine will dial the fax number and send the fax in real time.

You can make Real Time Transmission your default sending setting or temporarily activate it for the next fax you send.


Follow the steps below to turn Real Time Transmission ON:

  1. Load your document.

  2. Do one of the following:

    • When Fax Preview is set to off, press Fax(Fax).

    • When Fax Preview is set to on, press Fax(Fax) and Sending Faxes(Sending Faxes).


  3. Press Options.

  4. Press the Up or Down arrow key to display Real Time TX.

  5. Press Real Time TX.

  6. Press On.

  7. Press OK.

  8. Do one of following:

    • To use Real Time Transmission on for the next fax only, go to STEP 9.

    • To make Real Time Transmission your default fax setting, follow the steps below:

      1. Press the Up or Down arrow key to display Set New Default.

      2. Press Set New Default.

      3. Press Yes.

      4. Go to STEP 9.

  9. Enter the fax number you want to send to.

  10. Press Fax Start.
  • If the machine's memory is full and you are sending a black and white fax from the ADF, the machine will send the fax in real time even if Real Time Transmission is off.

  • In Real Time Transmission, the automatic redial feature does not work when you are using the scanner glass.

If your question was not answered, have you checked other FAQs?

Have you checked the manuals?

If you need further assistance, please contact Brother customer service:

Related Models

MFC-J4510DW, MFC-J4710DW, MFC-J870DW

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