Brother HL-4140CN Service Manual page 259

(13) Remove the MP registration front actuator spring from the MP registration front actuator.
MP registration front actuator spring
MP registration front actuator
(14) Take out the MP drive shaft, and then remove the MP registration front actuator from the
MP upper cover ASSY.
MP registration front actuator
14b
Fig. 3-148
14a
MP upper cover ASSY
Fig. 3-149
3-111
MP upper cover ASSY
Hook
MP drive shaft
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