Nikon LS-4500AF - Manual (Page 48)

28 Nikon Film Scanner LS-4500AF User's Manual
Step 2
If the mask needs to be replaced, remove the mask from the mask position-
ing pins on the turntable, and fix the new mask in place, fitting the mask
positioning holes over the mask positioning pins. (The holes are of differ-
ent sizes, corresponding to the different-sized positioning pins.) Slightly
raised bars provided as a guide for the outer edges of the film will be
visible on the upper side of the mask.
Turntable
Mask Positioning Holes
6. Using the Film Holder