Brother HL-4000CN Service Manual page 140

2.1.3 Fan fuser
1) Remove 2 screws securing the holder lever out from the rear of the cover ASSY front
head.
2) Remove the fan assembly from the cover ASSY front head.
3) Remove the lever out from the holder lever out.
4) Disconnect of the fan fuser.
5) Release the 4 hooks securing the fan fuser the holder lever out.
6) Remove the fan fuser from the holder lever out.
Note:
When replacing the fan fuser into the holder lever out, the fan level should be face out
and the harness should be aligned with the slot.
Lever out
Top
Fig.4-8
Holder lever out
Fan fuser
Fig.4-9
IV-8
Screw, M3x10
Holder lever out