Brother DCP-9040CN Service Manual page 257

(3) Remove the four cup S M3x6 Taptite screws, and then remove the Engine PCB plate.
Engine PCB plate
Taptite, cup S M3x6
Taptite, cup S M3x6
Assembling Note:
When assembling the Engine PCB plate, make sure that the section "A" is caught on the Hook
of the Drive frame unit ASSY.
Hook
Drive frame unit ASSY
Frame unit
<Left side>
Fig. 3-175
Engine PCB plate
"A"
Fig. 3-176
3-125
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