Lexmark W820 - Optra B/W Laser Printer Service Manual page 245

Removal
1.
Remove the Cover-Top, Front and Cover-Top, Rear.
2.
Remove the screws on the front and rear that secure to the frame of the Finisher
from the L Cover.
3.
Remove screws respectively on the front and rear that secure to the L Cover from
the frame of the Finisher, and remove the L Cover from the Finisher.
4.
Unplug the connector (P/J 29) of the Harness Face Up from the Sensor Assembly.
5.
Remove the screw that secures to the Shift Unit from the Sensor Assembly, and
remove the Sensor Assembly.
Replacement
1.
Align the Sensor Assembly with the mounting position on the Shift Unit, and secure it
with a screw.
2.
Plug the connector (P/J 29) of the Harness Face Up to the Sensor Assembly.
3.
Align the L Cover with the mounting position in the Finisher, and secure the front and
rear with two screws respectively.
4.
Secure the front and rear of the L Cover with screws.
5.
Mount the Cover-Top, Front and Cover-Top, Rear.
4025-Finisher
Removal and Replacement Procedures
4-137