Brother HL-L9300CDW Service Manual page 226

9.30 Back Cover Sensor ASSY
(1) Release the wiring of the Back cover sensor ASSY.
(2) Release the two Hooks and remove the Back cover sensor ASSY from the Main body.
Hook
Harness routing: Refer to
Back cover sensor ASSY
Hook
Fig. 3-106
" Back Cover Sensor ASSY"
3-85
Hook
Hook
Main body
<Back side>
Back cover
sensor ASSY
Confidential