Brother MFC-8220 Service Manual page 165

CHAPTER 5 PERIODIC MAINTENANCE
5) Remove the two bind B M4x12 Taptite screws, and then remove the rear cover L.
6) Remove the two bind B M4x12 Taptite screws, and then remove the rear cover R.
Taptite, bind B M4x12
Taptite, bind B M4x12
7) Remove the two cup S M3x6 Taptite screws, and then remove the NCU unit.
Rear cover R
Hook
Taptite, bind B M4x12
NCU unit
Taptite, cup S M3x6
Hook
Fig.5-17
Fig.5-18
5-12
Rear cover L