To clear replace Drum message
Reset Brother MFC-L2700dw Drum:
Make sure that the machine is turned on.
Open the front cover.
Press and hold OK for 2 seconds.
Press the Up arrow key or 1 to reset the drum counter.
Close the front cover.
Brother MFC-L2710DW, MFC-L2713DW Drum Reset
Make sure the machine is turned on.
Close the front cover.
Press OK and the Up arrow key at the same time.
Press OK to select Drum.
Press the Up arrow key to reset the drum counter.
Brother DCP-L2550DW Drum Reset
When you replace the drum unit with a new one, you must reset the drum counter by completing the following steps:
Make sure the machine is turned on.
Close the front cover.
Press OK and the Up arrow key at the same time.
Press OK to select Drum.
Press the Up arrow key to reset the drum counter.