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3. Remove the four screws, and then remove the optical filter block.
Note
The screws and front OLPF packing are not reusable.
Note
When installing the optical filter block, tighten the screws in the following sequence: (a), (b), (c), (d).
4. Install the removed parts by reversing the steps of removal.
Optical filter block
Bosses
Front OLPF packing
M1.7 x 2.2
(a)
(b)
(c)
(d)
Holes