When the printer "Ready" and "Alarm" LEDs flash as shown, please check the following points:
1.Paper Jam: Clear the paper jam referring to "How do I clear paper jams?
If the printer does not automatically resume printing, press the control panel button.
2.No Paper/ Misfeed:
-The paper cassette may be out of paper or not properly installed.
-If it is empty, load a new stack of paper into the paper cassette.
-If there is paper in the paper cassette, make sure it is straight.
-If the paper is curled, straighten it before printing. Sometimes it is helpful to remove the paper, turn the stack over and put it back in the paper cassette.
-Reduce the amount of paper in the paper cassette, and then try again.
-Make sure you use paper that meets Brother's recommended paper specifications.
-Reinstall the paper properly, and then press the control panel button. The printer will start printing again.