"Preventive maintenance is recommended." ppears on the LCD.
This message is displayed when the machine needs to be maintained.
Once this message appears, it is recommended to take your machine to an authorized Brother dealer or nearest Brother authorized service center for a regular maintenance check.
Although this message will disappear and the machine will continue to function once you press [OK] , the message will display several more times until the appropriate maintenance is performed.
If your question was not answered, have you checked other FAQs?