Brother Mfc 7840W Drum End Soon. Do one of the following. (k) or (bk)=black, (y)=yellow, (m)=magenta, (c)=cyan.
The message drum end soon indicates the drum unit will need to be replaced soon. Crisp, sharp text and greater permanence; If you replaced the drum unit and the message continues to appear on the display, verify the drum counter was reset: