Brother HL-3040CN Service Manual page 277

(5) Disconnect the Connector (CN3) of the Registration front/rear sensor harness ASSY from
the HVPS control PCB ASSY.
Side frame R
HVPS control PCB ASSY
CN3
(6) Remove the three Taptite cup S M3x6 SR screws and two Shoulder screws, and then
remove the Paper feed unit from the Main body.
Paper feed unit
Registration front/rear sensor
harness ASSY
Fig. 5-122
Main body
<Front>
Fig. 5-123
5-103
<Right side>
Shoulder screws
Taptite cup S M3x6 SR
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