Brother DCP-9045CDN Service Manual page 230

(70) Release the Hooks of the Photo interrupter to remove the Photo interrupter from the Lower
main chute ASSY.
(71) Disconnect the Connector from the Photo interrupter.
Connector
Photo interrupter
Lower main chute ASSY
(72) Remove the Flap B from the Lower main chute ASSY.
Lower main chute ASSY
Hook
Hook
Fig. 3-111
Flap B
Fig. 3-112
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