Brother mfc8440 - Laser Unit

MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN
SERVICE MANUAL
4-63
3.21 Laser Unit
(1) Remove the filter, and then remove the cup S M3x8 Taptite screw and the air duct.
Fig. 4-113
(2) Disconnect the LD harness 5P from the laser unit.
NOTE:
• After disconnecting flat cable(s), check that each cable is not damaged at its end or
short-circuited.
• When connecting flat cable(s), do not insert them at an angle. After insertion, check
that the cables are not at an angle.
(3) Disconnect the polygon motor harness and remove the spongy from the laser unit.
(4) Remove the six cup S M3x8 Taptite screws, and then remove the laser unit.
Fig. 4-114
Filter
A
ir duct
Taptite, cup S M3x8
Taptite, cup S
M3x8
LD harness 5P
Laser unit
Polygon motor harness
Spongy
Taptite, cup S M3x8
Hook
Hook