Lexmark W820 Service Manual page 261

Removal
1.
Remove the Rear Cover.
2.
Open the Duplex Unit.
3.
Open the Left Upper Cover.
WARNING: When the Left Upper Cover is open, the BTR is exposed. Do not touch the
BTR. Grease and dirt on the BTR, or physical damage to the BTR effects print quality.
4.
Use a screwdriver blade to open the latch securing the Front Shaft Hinge, and slide
the Hinge out of the Cover Assembly. Do not slide the Hinge completely out of the
printer frame.
5.
Use a screwdriver blade to open the latch securing the Rear Shaft Hinge, and slide
the Hinge out of the Cover Assembly. Do not slide the Hinge completely out of the
printer frame.
6.
Pull the Left Upper Cover Assembly away from the printer frame.
7.
Remove the two screws securing the two Cover Supports to the frame, and remove
the Cover.
Replacement
1.
Open the Duplex Unit.
WARNING: When the Left Upper Cover is open, the BTR is exposed. Do not touch the
BTR. Grease and dirt on the BTR, or physical damage to the BTR effects print quality.
2.
Reinstall the Left Upper Cover Assembly so the hinge openings in the Cover arms
line up with the hinge holes in the printer frame.
3.
Slide the Rear Shaft Hinge into the hinge opening in the Rear Cover arm, until the
latch locks the Hinge onto the shaft.
4.
Slide the Front Shaft Hinge into the hinge opening in the Front Cover arm, until the
latch locks the Hinge onto the shaft.
5.
Use two screws to secure the two Cover Supports to the frame.
6.
Reinstall the Rear Cover.
7.
Open and close the Cover to make sure it opens and latches correctly.
4025-XXX
4-53
Repair Information