AGFA Horizon Ultra Scanner Owner's Manual page 40

Figure 3-1
Removing the glass plate
Figure 3-2
Unhooking the plastic plates
3. Move the optical box to the opening under the glass plate. Use
the U-beam at the right bottom side to move it, while keeping
it down.
4. Unhook the top of the plastic plates at the front and the rear of
the optical box (Figure 3-2).
Make sure not to unhook the plastic plates completely.
5. Remove the top Infrared filter, by turning loose its six screws
(Figure 3-3). Do not touch the glass.
Chapter 4 — Caring for your scanner 40