Lexmark W820 - Optra B/W Laser Printer Service Manual page 158

Replacement
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Service Manual
Insert the Stud from the short hook side of the Spring.
Insert the Invert Guide Assembly from the front side of the Finisher, align it with the
mounting position.
Engaging the long hook of the Spring with the notch of the Finisher frame, engage
the short hook of the Spring with the concave of the Invert Guide Assembly, and
secure the Invert Guide Assembly, Spring and Stud on the front side to the Finisher.
On the rear side, engaging the long hook of the Spring with the notch of the Finisher
frame, engage the short hook of the Stud with the concave of the Invert Guide
Assembly, and secure the Invert Guide Assembly, Stud and Spring on the rear side
to the Finisher.
Mount the Cover-Open, Front, Cover-Front and Kit Stud Cover.
Mount the Cover-Rear.
Mount the Cover-Top, Front and Cover-Top, Rear.
Mount the Cover-Jogging.
4025-Finisher