Brother MFC5490CN Service Manual page 163

(3) Turn the scanner cover right side up.
(4) Remove the screw "a" from the rear of the scanner cover.
(5) Fully open the ADF & document cover ASSY.
Note: Lifting up the ASSY without fully opening it in step (6) opens the hinge arm L
suddenly and unexpectedly with great force. It is DANGEROUS!
(6) Slightly lift up the ADF & document cover ASSY, insert the tip of a flat screwdriver into
the slit at the front of the hinge arm R, and push the latch provided inside the scanner cover
to the front to release the hinge arm R. Then pull the ADF & document cover ASSY up and
off the scanner cover.
(7) Slightly turn the hinge arm R inwards and remove it from the ADF & document cover
ASSY.
(8) Remove the three screws "b" from the hinge arm L and release it from the ADF &
document cover ASSY.
ADF & document cover ASSY
Grounding wire
ADF motor
harness
Document sensor
PCB harness
Grounding wire
Hinge arm R
Hinge arm L
"b"
"b"
"a"
"b"
CIS motor harness
6-13
Hinge arm R
Latch inside the
scanner cover
Scanner cover
(scanner unit)
CIS flat cable
(6_11_BHL9_A4)
"a" and "b": Taptite, bind B M4x12
Confidential