Brother HL-4140CN Service Manual page 256

(7) Release the Hook to remove the Registration/Pinch roller gear bush from the Base frame
unit.
Registration/Pinch
roller gear bush
Gear position: Refer to
(8) Remove the two Taptite bind B M3x10 screws. Slide the MP drive shaft as shown in the
figure. Remove the MP upper cover ASSY from the PF ASSY.
Separation R shaft bush
Taptite bind B M3x10
MP upper cover ASSY
Hook
Base frame unit
Fig. 3-142
" PF ASSY."
MP drive shaft
Fig. 3-143
3-108
Taptite bind B M3x10
PF ASSY
Confidential