Brother HL-3040CN Service Manual page 334

(3) Remove the LM hook B and LM hook C from the Side frame L.
(4) Remove the Hook spring BC10 from the LM hook B and the LM hook C.
LM hook C
Hook
LM hook C
Fig. 5-222
Fig. 5-223
5-160
LM hook B
Side frame L
Hook spring BC10
LM hook B
Hook
Confidential