Lexmark W820 - Optra B/W Laser Printer Service Manual page 125

Removal
1.
Remove the Rear Cover.
2.
Unplug the connector (P/J 260) of the H-Tra harness assembly from the Sensor.
3.
Remove the Pulley 2, Spring Tension 80, Sensor and Harness Earth.
4.
Remove the Solenoid Assembly-Gate In.
5.
Remove the Transport Gear Kit.
6.
Remove the Bracket Assembly.
7.
Remove the Belt-Sync.
8.
Invert the H-Tra, remove two screws that secure to the H-Tra from the Bracket, and
remove the Bracket.
9.
Remove two screws that secure to the H-Tra from the Cover Chute and remove the
Cover Chute, together with the Pulley Oneway, Bearing Entrance Roll from the H-
Tra.
10.
Remove the E-ring that secures the Pulley Oneway to the shaft of the Entrance Roll,
and remove the Pulley Oneway.
11.
Remove E-rings on both sides of the Entrance Roll, slide the Entrance Roll toward
the rear, and pull the shaft of the Entrance Roll off the hole in the Bearing.
12.
Pull the Entrance Roll together with the Bearing in a diagonal upward direction.
13.
Remove the Bearing from the shaft of the Entrance Roll.
Replacement
1.
Insert the Bearing into the shaft on the front side of the Entrance Roll, and Insert
Bearing into the shaft on the rear side.
2.
Insert the shaft on the rear side of the Entrance Roll into the hole on the rear side,
and insert the shaft on the front side of the Entrance Roll into the hole on the Pulley
Oneway.
3.
Align both sides of the Entrance Roll with the mounting positions using the Bearing
and secure it with two E-rings.
4.
Insert the Pulley Oneway into the shaft on the rear side of the Roll Transport, and
secure it with an E-ring.
5.
Align the Cover Chute together with the Pulley Oneway, Bearing, Entrance Roll, with
the mounting position in the H-Tra, and secure them with two screws.
6.
Align the Bracket, with the mounting position in the H-Tra, and secure it with a screw.
7.
Mount the Belt-Sync.
8.
Mount the Bracket Assembly.
9.
Mount the Transport Gear Kit.
10.
Mount the Solenoid Assembly-Gate In.
11.
Mount the Pulley 2, Spring Tension 80, Sensor and Harness Earth.
12.
Plug the connector (P/J 260) of the H-Tra harness assembly to the Sensor.
13.
Mount the Rear Cover.
4025-Finisher
Removal and Replacement Procedures
4-17