Brother HL-L9300CDW Service Manual page 266

(18) Turn the LT frame L unit right side up.
(19) Remove the two Taptite cup S M3x6 SR screws from the LT beam rear.
Taptite cup S M3x6 SR
<Back side>
(20) Remove the two Taptite cup S M3x6 SR screws from the LT beam rear.
Taptite cup S M3x6 SR
LT beam rear
Fig. 3-178
LT beam rear
<Left side>
Fig. 3-179
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Confidential