Close the front cover and make sure the Drum LED is off
For Intellifax And MFC Printers:
Brother IntelliFax 2840
Brother Intellifax 2940
Brother MFC-7240
Brother MFC-7360N
Brother MFC-7460
Brother MFC-7860 printer models
1) Open the font cover and press the [Clear] button
2) Press 1 to confirm you are installing a new drum unit.
3) When the LCD screen shows "Accepted", close the front cover.