Brother HL-4040CN, HL-4050CDN, HL-4070CDW Service Manual page 95

(8) Secure the three cup S M3x8 Taptite screws on the front side of the Top cover ASSY.
Taptite, cup S M3x8
(9) Secure the two cup B M4x14 Taptite screws on the back side of the Top cover ASSY.
*1
Tightening Note:
When tightening the screw, slowly turn it counterclockwise (in the direction to loosen the
screw) with your hand until you feel that the screw is a little dropped in the hole. Then,
slightly turn it clockwise (in the direction to tighten the screw) with your hand and tighten it
according to the specified torque with a screwdriver.
Taptite, cup S M3x8
Fig. 2-30
Taptite, cup B M4x14
(Tightening torque: 1.20 ±0.1 N m)
Fig. 2-31
2-18
Top cover ASSY
Taptite, cup S M3x8
<Front side>
Top cover ASSY
Taptite, cup B M4x14
(Tightening torque: 1.20 ±0.1 N m)
<Back side>
*1
*1
Confidential