Brother DCP-9040CN Service Manual page 252

(4) Remove the three cup S M3x6 Taptite screws, and then remove the Develop drive motor
ASSY from the Develop gear plate ASSY.
Taptite, cup S M3x6
Taptite, cup S M3x6
Develop gear plate ASSY
(5) Remove the five cup B M3x10 Taptite screws, and then remove the Gear guide holder from
the Develop gear plate ASSY.
Note:
Since the gears on the Gear guide holder and the Coupling gears 50 on the Develop gear
plate ASSY come off easily, be careful not to lose them.
Coupling gear 50
Taptite, cup S M3x6
Fig. 3-166
Taptite, cup B M3x10
Gear guide holder
Fig. 3-167
3-120
Develop drive motor ASSY
Develop gear plate ASSY
Confidential