The LFA (Lens Fiber Array) was the device (pre laser) which focused the image of the original on the drum. It was appr 1" deep, by 11" long. Basically, it was a series of glass tubes embedded in plastic. The ends of the tubes soiled quickly as the device was located close to the development area.
The NP 120 might have come first...this goes back 20 yrs. You are correct, the NP 120 used pressure only (and i mean a LOT of pressure) for fusing, and produced a very shiny copy regardless of stock. I remember trying to explain why a customers raised letterhead was no longer raised after copying.
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