Nikon NP4100 - Manual (Page 45)

2. Installation and Connections
30
9.
Align the lamp cover
(A) with the arrow mark
on the cabinet and slide
it into place.
10.
Secure the captive
screw (B).
Storing Unused Color Wheel:
Keep the unused color wheel in the zipper bag in which the supplied 6-segment color wheel
was packaged.
This bag prevents dust from falling or collecting on the color wheel.