Brother MFC8420 Service Manual page 161

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY
(13) Remove the four cup S M3x6 Taptite screws, and then remove the main motor ASSY.
(14) Remove the bind B M3x10 Taptite screw.
(15) Remove the P/R solenoid ASSY, the P/R solenoid lever and the solenoid release spring
P/R.
(16) Remove the bind B M3x10 Taptite screw.
(17) Remove the F/R solenoid ASSY and solenoid release spring F/ R.
Solenoid release
spring F/R
F/R solenoid
ASSY
Taptite, bind B M3x10
Drive unit
P/R solenoid lever
Taptite, bind B M3x10
Taptite, cup S M3x6
Fig. 4-140
Solenoid release spring P/R
P/R solenoid ASSY
Fig. 4-141
4-80
Taptite, cup S M3x6
Main motor ASSY