Brother MW-145BT - Manual (Page 18)

General Description
5
(1) If an error has occurred (indicated by a red flashing Status
LED), check for the following causes.
(2) If a system error has occurred (indicated by a constant red
Status LED):
The printer may be damaged. Contact the sales representative
where it was purchased.
Error description Remedy
There is no paper cassette
installed.
The paper cassette is installed
facing the wrong direction.
There is no more paper.
Correctly install a paper cassette
containing paper.
→Refer to pages 15 to 17.
A paper misfeed occurred.
Remove the misfed paper.
→Refer to page 19.
A transmission error occurred.
Check the transmission status.
→Refer to page 34.
An overheat error occurred.
The inside of the printer has started
to overheat. Wait until it cools.