Brother MFC5490CN Service Manual page 182

(9) Place the upper cover upside down.
(10) Release the rear end and the loop of the encoder guard spring from the spring guide and
boss on the upper cover, respectively.
(11) Unhook the encoder guard spring from the encoder guard film.
(12) Slide the film inwards, turn it to the front by 90°, and release the opposite end (no spring)
of the film from the boss on the upper cover.
Spring guide
Boss
Encoder guard film
Upper cover
(placed upside down)
(13) Remove two screws from the rear under cover and lift the cover up.
Upper cover
(placed upside down)
Encoder guard spring
(Front)
(Front)
Encoder guard film
Taptite, cup B M3x10
Rear under cover
6-32
(Front)
Boss
(6_21_BHL9_A4)
(6_22_BHL9_A4)
Confidential