Sharp MX-M550U Service Manual page 384

2) Remove the flywheel.
3) Disconnect the connector, and remove the OPC drum motor
(A) and the developing motor (B).
B
C. Paper feed/paper transport drive section
No. Unit No.
(1) Main drive unit
(2) Others
Parts
a Resist roller front drive motor
b Resist roller clutch
a Main motor
(1)-b
(1)-a
(1)
MX-M700N DRIVE SECTION P – 4
(1) Main drive unit
1) Remove the resist roller unit. (See "B-(1) Resist roller unit" in
the "PAPER TRANSPORT SECTION")
2) Remove the flywheel. (See "B-(2)-a. OPC drum motor")
3) Remove the main motor. (See "(2)-a. Main motor")
4) Disconnect the connector, and remove the eternal outfit
mounting plate.
5) Remove the plastic E-ring, the belt holding sheet, the belt, and
the pulley. Remove the joint plate.
A
* When installing, be careful of the direction of the belt holding
sheet.
6) Disconnect the connector, and remove the main drive unit.
* Remove the screw which was indicated with the arrow mark.
(2)-a