Brother MFC-J3520 Service Manual page 183

(5) Turn the ADF unit upside down.
(6) Release the two Pins on the ADF unit and remove the Document pressure bar
from the ADF unit.
(7) Remove the one screw (TAPTITE CUP B M3x10) and remove the ADF
reinforcement plate from the ADF unit.
(8) Remove the Earth spring from the ADF unit.
Pin
7b
ADF reinforcement plate
(9) Turn the ADF unit right side up.
(10)Remove the five screws (TAPTITE CUP B M3x10) from the Upper document chute.
(11) Release the three Hooks and remove the Upper document chute from the Document
cover ASSY.
TAPTITE CUP
B M3x10
Upper document chute
TAPTITE
CUP B
M3x10
Document pressure bar
6a
TAPTITE CUP B M3x10
Hook
10b
10a
Earth spring
6c
Earth spring
8
6b
7a
Fig. 3-61
TAPTITE CUP B M3x10
Hook
Fig. 3-62
3-63
Hook
ADF unit
Pin
Document cover ASSY
Hook
Confidential