Lexmark W820 - Optra B/W Laser Printer Service Manual page 175

Removal
1.
Remove the Cover-Jogging.
2.
Remove the Cover-Top, Front and Cover-Top, Rear.
3.
Remove the Sensor Assembly.
4.
Remove the Sensor, Jogger Home Position.
5.
Unplug the connector (CN 3) of the Harness Motor from the Stepping Motor (Front).
6.
Unplug the connector (CN 4) of the Harness Motor from the Stepping Motor (Rear).
7.
Remove four screws that secure to the Finisher from the Jogging Assembly, and
remove the Jogging Assembly. (Figure 1)
Note: In the following steps, the procedure for removing the Damper and Stepping Motor
on the front is the same as for removing the ones on the rear. Apply the same procedure
to the rear.
8.
Remove the E-ring that secures the Gear (Front) to the shaft of the Stepping Motor
(Front), and remove the Gear (Front).
9.
Remove two screws that secure the Damper (Front) to the Frame Assembly-Jogger,
and remove the Damper (Front) together with the Stepping Motor (Front).
10.
Remove two screws that secure the Stepping Motor (Front) to the Damper (Front),
and remove the Stepping Motor (Front).
Replacement
1.
Align the Damper (Front) with the mounting position in the Stepping Motor (Front),
and secure it with two screws.
2.
Align the Damper (Front), together with the Stepping Motor (Front), with the
mounting positions in the Frame Assembly-Jogger, and secure them with two
screws.
3.
Facing the convex toward the motor, insert the Gear (Front) into the shaft of the
Stepping Motor (Front), and secure it with an E-ring.
4.
Perform the above steps on the rear in the same manner.
5.
Align the Kit Motor Jogging with the mounting positions in the Finisher, and secure
them with four screws.
6.
Plug the connector (CN 4) of the Harness Motor to the Stepping Motor (Rear).
(Figure 2)
7.
Plug the connector (CN 3) of the Harness Motor to the Stepping Motor (Front).
8.
Mount the Sensor, Jogger Home Position.
9.
Mount the Sensor Assembly.
10.
Mount the Cover-Top, Front and Cover-Top, Rear.
11.
Mount the Cover-Jogging.
4025-Finisher
Removal and Replacement Procedures
4-67