This is not the first instance of this problem.
Previously when reported there was mention of using the ctrl - pg up and down to change the contrast. This does not fix the issue, only creates additional splotches to ruin the design.!
On the Bed:
On computer screen of bed before trace:
In the 3 pictures you see a solid black design on the paper, solid black on computer screen on bed before trace, then a hollowed out design after the scan.
We have had this problem with different designs.
Sometimes it works as expected and sometimes it does not.
This image I placed directly under the camera. The lights in the room have been turned off.
The lens has been cleaned.